Question: who played trapper john in the movie mash
[{'answer': 'Elliott Gould', 'provenance': [{'wikipedia_id': '23784006', 'title': 'MASH (film)', 'start_paragraph_id': 2, 'start_character': 166, 'end_paragraph_id': 2, 'end_character': 179, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23784006', 'title': 'MASH (film)', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 78, 'bleu_score': 0.8070557274927981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2707936600050320940}, 'section': 'Section::::Cast.\n'}]}]