Question: who wrote the song till there was you
[{'answer': 'Meredith Willson', 'provenance': [{'wikipedia_id': '2253734', 'title': 'Till There Was You', 'start_paragraph_id': 1, 'start_character': 42, 'end_paragraph_id': 1, 'end_character': 58, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2253734', 'title': 'Till There Was You', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 376, 'bleu_score': 0.8234704380821091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4274379588400393965}, 'section': 'Section::::Abstract.'}]}]