Question: who is the guy that announces movie trailers
[{'answer': 'Donald Leroy LaFontaine', 'provenance': [{'wikipedia_id': '472272', 'title': 'Don LaFontaine', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '472272', 'title': 'Don LaFontaine', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 232, 'bleu_score': 0.9419661180380051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10234049434576091081}, 'section': 'Section::::Abstract.'}]}]