Question: who is said be the father of volleyball
[{'answer': 'William George Morgan', 'provenance': [{'wikipedia_id': '3302423', 'title': 'William G. Morgan', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3302423', 'title': 'William G. Morgan', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 279, 'bleu_score': 0.957870874785216, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5576290435121715275}, 'section': 'Section::::Abstract.'}]}]