Question: the most famous oratorio in the world is messiah written by
[{'answer': 'Charles Jennens', 'provenance': [{'wikipedia_id': '149131', 'title': 'Messiah (Handel)', 'start_paragraph_id': 1, 'start_character': 128, 'end_paragraph_id': 1, 'end_character': 143, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '149131', 'title': 'Messiah (Handel)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 558, 'bleu_score': 0.9580554180289671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11565021507552686308}, 'section': 'Section::::Abstract.'}]}]