Question: what are the 5 largest cities in washington state
[{'answer': 'Seattle', 'provenance': [{'wikipedia_id': '390607', 'title': 'List of cities and towns in Washington', 'start_paragraph_id': 9, 'start_character': 56, 'end_paragraph_id': 9, 'end_character': 63, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Spokane'}, {'answer': 'Tacoma'}, {'answer': 'Vancouver'}, {'answer': 'Bellevue'}]