Question: messiah opens with an instrumental number in the form of a(n)
[{'answer': 'French overture', 'provenance': [{'wikipedia_id': '149131', 'title': 'Messiah (Handel)', 'start_paragraph_id': 11, 'start_character': 338, 'end_paragraph_id': 11, 'end_character': 353, 'bleu_score': 1.0, 'section': 'Section::::Synopsis.\n'}]}, {'provenance': [{'wikipedia_id': '149131', 'title': 'Messiah (Handel)', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 444, 'bleu_score': 0.9383908431221111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1641972465456535932}, 'section': 'Section::::Synopsis.\n'}]}]