Question: who sang for lee bowman in my dream is yours
[{'answer': 'Hal Derwin', 'provenance': [{'wikipedia_id': '14876592', 'title': 'My Dream Is Yours', 'start_paragraph_id': 8, 'start_character': 69, 'end_paragraph_id': 8, 'end_character': 79, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}, {'provenance': [{'wikipedia_id': '14876592', 'title': 'My Dream Is Yours', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 79, 'bleu_score': 0.8385766789076251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15298029126724320456}, 'section': 'Section::::Cast.\n'}]}, {'provenance': [{'wikipedia_id': '14876592', 'title': 'My Dream Is Yours', 'section': 'Section::::Cast.\n', 'start_paragraph_id': 8, 'end_paragraph_id': 8, 'meta': {'evidence_span': ['BULLET::::- Lee Bowman as Gary Mitchell (singing voice was dubbed by Hal Derwin)', 'BULLET::::- Lee Bowman as Gary Mitchell (singing voice was dubbed by Hal Derwin)', 'Hal Derwin']}}]}]