Question: what are the 4 largest cities in california
[{'answer': 'Los Angeles'}, {'answer': 'San Diego'}, {'answer': 'San Jose'}, {'answer': 'San Francisco', 'provenance': [{'wikipedia_id': '868858', 'title': 'List of largest California cities by population', 'start_paragraph_id': 6, 'start_character': 44, 'end_paragraph_id': 6, 'end_character': 57, 'bleu_score': 1.0, 'section': 'Section::::See also.\n'}]}]