Question: who were the panelists on what's my line
[{'answer': 'Dorothy Kilgallen', 'provenance': [{'wikipedia_id': '494189', 'title': "What's My Line?", 'start_paragraph_id': 1, 'start_character': 505, 'end_paragraph_id': 1, 'end_character': 522, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Arlene Francis', 'provenance': [{'wikipedia_id': '494189', 'title': "What's My Line?", 'start_paragraph_id': 1, 'start_character': 524, 'end_paragraph_id': 1, 'end_character': 538, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Bennett Cerf', 'provenance': [{'wikipedia_id': '494189', 'title': "What's My Line?", 'start_paragraph_id': 1, 'start_character': 544, 'end_paragraph_id': 1, 'end_character': 556, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '494189', 'title': "What's My Line?", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 714, 'bleu_score': 0.7638923051806561, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15369228329076475636}, 'section': 'Section::::Abstract.'}]}]