Question: how many episodes are in star wars the clone wars season 1
[{'answer': '22', 'provenance': [{'wikipedia_id': '19229713', 'title': 'List of Star Wars: The Clone Wars episodes', 'start_paragraph_id': 1, 'start_character': 558, 'end_paragraph_id': 1, 'end_character': 560, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]