Question: What is the domestic football capacity of the stadium which hosted the 2011 Conference Premier play-off Final ?
Sentence (from "2011 Conference Premier play-off Final"): The 2011 Conference Premier play-off Final, known as the 2011 Blue Square Bet Premier play-off Final for sponsorship purposes, was a football match between AFC Wimbledon and Luton Town on 21 May 2011 at the City of Manchester Stadium in Manchester.
Relevant evidence: Yes