Alamodome has a seating capacity of 65,000 people for American football, 52,295 people for Baseball, 59,000 people for Canadian football, 20,662 people for Basketball, 36,000 people for ice hockey, and 40,000 people when used for boxing.
72000
According to answers.com, the Alamodome's seating capacity for basketball is 20,662 which can be expanded to 39,500.
Seating Capacity: Football (American) 65,000 (expandable to 72,000)Football (Canadian) 59,000Basketball 20,662 (expandable to 39,500)Hockey 36,000Boxing 40,000Arena Concert center-stage 33,000Arena Concert end-stage 30,000Stadium Concert center-stage 77,000Stadium Concert end-stage 50,000
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