Question: who was the father in sound of music
[{'answer': 'Captain von Trapp', 'provenance': [{'wikipedia_id': '30019', 'title': 'The Sound of Music', 'start_paragraph_id': 1, 'start_character': 486, 'end_paragraph_id': 1, 'end_character': 503, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '30019', 'title': 'The Sound of Music', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 821, 'bleu_score': 0.9700126434602441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15668433819544986793}, 'section': 'Section::::Abstract.'}]}]