Question: who played in the odd couple on broadway
[{'answer': 'Walter Matthau as Oscar Madison', 'provenance': [{'wikipedia_id': '476200', 'title': 'The Odd Couple (play)', 'start_paragraph_id': 21, 'start_character': 243, 'end_paragraph_id': 21, 'end_character': 274, 'bleu_score': 1.0, 'section': 'Section::::Productions.\n'}]}, {'answer': 'Art Carney as Felix Ungar', 'provenance': [{'wikipedia_id': '476200', 'title': 'The Odd Couple (play)', 'start_paragraph_id': 21, 'start_character': 279, 'end_paragraph_id': 21, 'end_character': 304, 'bleu_score': 1.0, 'section': 'Section::::Productions.\n'}]}, {'provenance': [{'wikipedia_id': '476200', 'title': 'The Odd Couple (play)', 'start_paragraph_id': 21, 'start_character': 0, 'end_paragraph_id': 21, 'end_character': 495, 'bleu_score': 0.976043556018343, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9140853806318422209}, 'section': 'Section::::Productions.\n'}]}]