Question: Which club located in Stratford, East London has the 2009 Upton Park riot?
Sentence (from "2009 Upton Park riot"): The 2009 Upton Park riot occurred in and around West Ham United's Boleyn Ground, in Upton Park before, during and after a Football League Cup second round match between West Ham and Millwall on 25 August 2009.
Relevant evidence: Yes