Question: who wrote the song joy to the world
[{'answer': 'Isaac Watts', 'provenance': [{'wikipedia_id': '639064', 'title': 'Joy to the World', 'start_paragraph_id': 1, 'start_character': 62, 'end_paragraph_id': 1, 'end_character': 73, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '639064', 'title': 'Joy to the World', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 177, 'bleu_score': 0.9402297675816911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17031323126401919732}, 'section': 'Section::::Abstract.'}]}]