Question: what was the name of the wicked witch in the wizard of oz
[{'answer': 'Wicked Witch of the West', 'provenance': [{'wikipedia_id': '933294', 'title': 'Wicked Witch of the West', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]