Question: who use to present who wants to be a millionaire
[{'answer': 'Chris Tarrant', 'provenance': [{'wikipedia_id': '3729939', 'title': 'Who Wants to Be a Millionaire? (British game show)', 'start_paragraph_id': 2, 'start_character': 133, 'end_paragraph_id': 2, 'end_character': 146, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]