Which one is correct?
"is there any" or "are there any"?

Some examples from the web:

• Sir, is there any doubt it was suicide?
• Stair... is there any other proof?
• Sir, is there any reason to proceed any further?
• The EU has no clear rules for release nor indeed is there any clear decision process at an EU level.
• Plaintiff, is there any additional evidence besides the defective hovercraft?
• Mr Lowery, is there any any of this might have been brewing?
• Nor is there any question of creating an à la carte Europe.
• Nor is there any getting away from the Chechen issue.
• Nor is there any mention of offsetting (natural) measures.
• Nor is there any material case for applying the Lamfalussy procedure.
• Neither is there any account of which organisations are represented, which is astounding.
• Nor is there any doubt about public opinion on this issue.
• Nor is there any other process of appeal.
• Nor is there any freedom of the press in Belarus.
• Nor is there any requirement that all aid projects should be informed by the dimension of equality.
• These are not second class questions, nor is there any such practice.
• Nor is there any connection between supranationality and efficiency within the EU.
• Nor is there any life in Iran for demonstrators.
• Neither is there any proper distinction between the different forest areas.
• Really, is there any caviar?

Some examples from the web:

• Nor are there any conclusions about buildings policy in Brussels.
• If so, are there any differences between its impact on the health of adults and of children? 3.
• So, are there any parties tonight?
• So, are there any rules?
• Captain, are there any perps who'd do a job like this by the name of...
• But - and this strikes me as less positive - nor are there any contemporary philosophers, thinkers or opinion-formers with a resonance throughout our continent.
• So, are there any questions?
• Or are there any other... runners you train with?
• Like I said, are there any plain-clothes policemen in the audience tonight?
• Richard, are there any hereditary issues that run in your family?
• All right, are there any questions?
• Nor are there any river basin plans.
• Nor are there any further possibilities under the Treaty either.
• Nor are there any warning messages here about magnets.
• Nor are there any sentences I'm unable to understand.
• Nor are there any other indications to suggest that the public authorities were involved in the adoption of the measure [58].
• Furthermore, are there any funding applications currently under consideration?
• Doc, are there any other options?
• Then, are there any other emergency wards nearby?
• Neither are there any tangible plans for meeting the second challenge, to create a social dimension to European integration.