Question: Because of what Islamic terrorist group attacks killed 2,996 people, injured over 6,000 others, and caused at least $10 billion in infrastructure and property damage has the United States government has carried out drone strikes ?
{'answer': 'al-Qaeda', 'supporting_facts': [['Civilian casualties from U.S. drone strikes', 0], ['September 11 attacks', 0], ['September 11 attacks', 1]]}