Question: how many episodes in the sopranos season 1
[{'answer': '13', 'provenance': [{'wikipedia_id': '39596181', 'title': 'The Sopranos (season 1)', 'start_paragraph_id': 5, 'start_character': 46, 'end_paragraph_id': 5, 'end_character': 48, 'bleu_score': 1.0, 'section': 'Section::::Cast.:Main cast.\n'}]}]