Question: how many episodes are in westworld season 2
[{'answer': '6', 'provenance': [{'wikipedia_id': '52011683', 'title': 'Westworld (season 2)', 'start_paragraph_id': 69, 'start_character': 59, 'end_paragraph_id': 69, 'end_character': 60, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}]