Question: who won the 2017 britain's got talent
[{'answer': 'Tokio Myers', 'provenance': [{'wikipedia_id': '52552755', 'title': "Britain's Got Talent (series 11)", 'start_paragraph_id': 3, 'start_character': 40, 'end_paragraph_id': 3, 'end_character': 51, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '52552755', 'title': "Britain's Got Talent (series 11)", 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 219, 'bleu_score': 0.9419661180380051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2529191992917694390}, 'section': 'Section::::Abstract.'}]}]