Question: how many episodes are in season one of adventure time
[{'answer': '26', 'provenance': [{'wikipedia_id': '37953053', 'title': 'Adventure Time (season 1)', 'start_paragraph_id': 13, 'start_character': 19, 'end_paragraph_id': 13, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Development.:Production.\n'}]}]