Question: What is the seating capacity of the stadium at which the final of the 2009–10 Heineken Cup pool stage was held?
Sentence (from "2009–10 Heineken Cup pool stage"): The pool stage of the 2009–10 Heineken Cup was the opening phase of the annual competition, in which 24 teams were arranged into six pools contesting of four teams each and then competed in a home-and-away double round robin.
Relevant evidence: No