Question: who sang the song i want to hold your hand
[{'answer': 'the Beatles', 'provenance': [{'wikipedia_id': '615577', 'title': 'I Want to Hold Your Hand', 'start_paragraph_id': 1, 'start_character': 62, 'end_paragraph_id': 1, 'end_character': 73, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '615577', 'title': 'I Want to Hold Your Hand', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 217, 'bleu_score': 0.9517713210466091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9866788598807607256}, 'section': 'Section::::Abstract.'}]}]