Question: where did the phrase i'll be a monkey's uncle come from
[{'answer': 'Scopes Trial', 'provenance': [{'wikipedia_id': '33936437', 'title': "Monkey's uncle", 'start_paragraph_id': 1, 'start_character': 472, 'end_paragraph_id': 1, 'end_character': 484, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '33936437', 'title': "Monkey's uncle", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 918, 'bleu_score': 0.9883376938421391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1737793051948759732}, 'section': 'Section::::Abstract.'}]}]