Question: who won the women's singles wimbledon championship 2016
[{'answer': 'Serena Williams', 'provenance': [{'wikipedia_id': '50729712', 'title': "2016 Wimbledon Championships – Women's Singles", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '50729712', 'title': "2016 Wimbledon Championships – Women's Singles", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 528, 'bleu_score': 0.81143375479998, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 802609036732657485}, 'section': 'Section::::Abstract.'}]}]