Question: who sang for tony in west side story movie
[{'answer': 'James Howard Bryant', 'provenance': [{'wikipedia_id': '8306155', 'title': 'Jimmy Bryant (singer)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8306155', 'title': 'Jimmy Bryant (singer)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 576, 'bleu_score': 0.9810405040225261, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14272385921997483730}, 'section': 'Section::::Abstract.'}]}]