Question: what was dorothy's surname in the wizard of oz
[{'answer': 'Gale', 'provenance': [{'wikipedia_id': '371533', 'title': 'Dorothy Gale', 'start_paragraph_id': 0, 'start_character': 8, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '371533', 'title': 'Dorothy Gale', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 393, 'bleu_score': 0.9476990614658231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10509850697287763824}, 'section': 'Section::::Abstract.'}]}]