Question: who won the women's world cup in 2015
[{'answer': 'United States', 'provenance': [{'wikipedia_id': '46923383', 'title': "2015 FIFA Women's World Cup Final", 'start_paragraph_id': 1, 'start_character': 259, 'end_paragraph_id': 1, 'end_character': 272, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]