Question: who won women's football world cup 2015
[{'answer': 'United States', 'provenance': [{'wikipedia_id': '29837595', 'title': "2015 FIFA Women's World Cup", 'start_paragraph_id': 1, 'start_character': 412, 'end_paragraph_id': 1, 'end_character': 425, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]