On what campus did Group B of the 2015 CONCACAF Gold Cup play on July 8?
2015 CONCACAF Gold Cup Group B: Group B of the 2015 CONCACAF Gold Cup was one of three groups competing of nations at the 2015 CONCACAF Gold Cup. 2015 CONCACAF Gold Cup Group B:  Matches were played at Carson's StubHub Center on July 8, Houston's BBVA Compass Stadium on July 11 and Toronto's BMO Field on July 14.
i don't know