Question: what did the straw man want in wizard of oz
[{'answer': 'a brain', 'provenance': [{'wikipedia_id': '642339', 'title': 'Scarecrow (Oz)', 'start_paragraph_id': 1, 'start_character': 189, 'end_paragraph_id': 1, 'end_character': 196, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '642339', 'title': 'Scarecrow (Oz)', 'start_paragraph_id': 3, 'start_character': 18, 'end_paragraph_id': 3, 'end_character': 1364, 'bleu_score': 0.9920790520013891, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8439868704955912071}, 'section': 'Section::::In "The Wonderful Wizard of Oz".\n'}]}]