Question: when did the song rockin robin come out
[{'answer': '1958', 'provenance': [{'wikipedia_id': '6714524', 'title': "Rockin' Robin (song)", 'start_paragraph_id': 1, 'start_character': 183, 'end_paragraph_id': 1, 'end_character': 187, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6714524', 'title': "Rockin' Robin (song)", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 349, 'bleu_score': 0.9328730072843131, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 947098228597320403}, 'section': 'Section::::Abstract.'}]}]