Question: What was this major international multi-sport event, with the opening ceremonies taking place on 27 July, and in which the South African field hockey player Bernadette Coston competed for the outh Africa women's national field hockey team?
{'answer': '2012 Summer Olympics', 'supporting_facts': [['Bernadette Coston', 0], ['Bernadette Coston', 1], ['2012 Summer Olympics', 0]]}