Question: who was the host of america's got talent season 1
[{'answer': 'Regis Philbin', 'provenance': [{'wikipedia_id': '4829129', 'title': "America's Got Talent", 'start_paragraph_id': 19, 'start_character': 142, 'end_paragraph_id': 19, 'end_character': 155, 'bleu_score': 1.0, 'section': 'Section::::Judges and hosts.\n'}]}]