Question: who played mr holland in mr holland's opus
[{'answer': 'Richard Dreyfuss', 'provenance': [{'wikipedia_id': '171076', 'title': "Mr. Holland's Opus", 'start_paragraph_id': 1, 'start_character': 187, 'end_paragraph_id': 1, 'end_character': 203, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '171076', 'title': "Mr. Holland's Opus", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 464, 'bleu_score': 0.8460377884394821, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5850287607621227999}, 'section': 'Section::::Abstract.'}]}]