Question: who was the original host of what's my line
[{'answer': 'John Daly', 'provenance': [{'wikipedia_id': '494189', 'title': "What's My Line?", 'start_paragraph_id': 6, 'start_character': 81, 'end_paragraph_id': 6, 'end_character': 90, 'bleu_score': 1.0, 'section': 'Section::::Original CBS series, 1950 to 1967.\n'}]}, {'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': 67255306304356509}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '494189', 'title': "What's My Line?", 'section': 'Section::::Original CBS series, 1950 to 1967.\n', 'start_paragraph_id': 6, 'end_paragraph_id': 6, 'meta': {'evidence_span': ['Starting in July 1959 and continuing for 8 straight years, until July 1967, when John Daly was due to appear in Moscow, the show would occasionally record episodes onto Quadruplex videotape for playback at a future date. This was then state-of-the-art technology, and Daly praised it upon his return from Moscow', 'Starting in July 1959 and continuing for 8 straight years, until July 1967, when John Daly was due to appear in Moscow, the show would occasionally record episodes onto Quadruplex videotape for playback at a future date', 'Starting in July 1959 and continuing for 8 straight years, until July 1967, when John Daly was due to appear in Moscow, the show would occasionally record episodes onto Quadruplex videotape for playback at a future date. This was then state-of-the-art technology, and Daly praised it upon his return from Moscow. In such instances, there would often be two shows a day; the "taped" one, followed immediately by the "live" one. The cast and crew began taking "Summer breaks" from the show in July 1961, through July 1967.']}}]}]