Question: how many judges are on the california supreme court
[{'answer': '7', 'provenance': [{'wikipedia_id': '532376', 'title': 'Supreme Court of California', 'start_paragraph_id': 3, 'start_character': 185, 'end_paragraph_id': 3, 'end_character': 186, 'bleu_score': 1.0, 'section': 'Section::::Composition.\n'}]}]