Question: who played charlie's voice on charlie's angels
[{'answer': 'John Forsythe', 'provenance': [{'wikipedia_id': '174284', 'title': "Charlie's Angels", 'start_paragraph_id': 1, 'start_character': 502, 'end_paragraph_id': 1, 'end_character': 515, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]