Question: Birchfield is an area of Perry Barr, Birmingham, it gave its name to the Birchfield Harriers athletics club, now based at which nearby international athletics stadium located within Perry Park in Perry Barr, Birmingham, England, at grid reference [ SP065925]?
{'answer': 'Alexander Stadium', 'supporting_facts': [['Birchfield, Birmingham', 1], ['Alexander Stadium', 0]]}