Question: who plays martin adler on will and grace
[{'answer': 'Alan Arkin', 'provenance': [{'wikipedia_id': '2017818', 'title': 'Supporting characters on Will & Grace', 'start_paragraph_id': 7, 'start_character': 52, 'end_paragraph_id': 7, 'end_character': 62, 'bleu_score': 1.0, 'section': "Section::::Supporting characters.:Family members.:Grace's family.\n"}]}, {'answer': 'Robert Klein in Season 9', 'provenance': [{'wikipedia_id': '2017818', 'title': 'Supporting characters on Will & Grace', 'start_paragraph_id': 7, 'start_character': 67, 'end_paragraph_id': 7, 'end_character': 91, 'bleu_score': 1.0, 'section': "Section::::Supporting characters.:Family members.:Grace's family.\n"}]}, {'provenance': [{'wikipedia_id': '2017818', 'title': 'Supporting characters on Will & Grace', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 358, 'bleu_score': 0.9657992495762461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8748327089383954516}, 'section': "Section::::Supporting characters.:Family members.:Grace's family.\n"}]}]