Question: who sang the song can't take my eyes off of you
[{'answer': 'Frankie Valli', 'provenance': [{'wikipedia_id': '5530417', 'title': "Can't Take My Eyes Off You", 'start_paragraph_id': 1, 'start_character': 112, 'end_paragraph_id': 1, 'end_character': 125, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5530417', 'title': "Can't Take My Eyes Off You", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 389, 'bleu_score': 0.767511023546388, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 617084169777553910}, 'section': 'Section::::Abstract.'}]}]