Question: who sang i've got a tiger by the tail
[{'answer': 'Buck Owens and the Buckaroos', 'provenance': [{'wikipedia_id': '14990062', 'title': "I've Got a Tiger By the Tail", 'start_paragraph_id': 1, 'start_character': 75, 'end_paragraph_id': 1, 'end_character': 103, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '14990062', 'title': "I've Got a Tiger By the Tail", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 226, 'bleu_score': 0.953991849837532, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7130560906111848253}, 'section': 'Section::::Abstract.'}]}]