Question: who sang the original i'm a believer
[{'answer': 'the Monkees', 'provenance': [{'wikipedia_id': '1717039', 'title': "I'm a Believer", 'start_paragraph_id': 1, 'start_character': 68, 'end_paragraph_id': 1, 'end_character': 79, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1717039', 'title': "I'm a Believer", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 757, 'bleu_score': 0.9855586187885531, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8129217412279874821}, 'section': 'Section::::Abstract.'}]}]