Question: how many seasons of fireman sam are there
[{'answer': '11', 'provenance': [{'wikipedia_id': '35538266', 'title': 'List of Fireman Sam episodes', 'start_paragraph_id': 19, 'start_character': 18, 'end_paragraph_id': 19, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Episodes.:Series 8 (2012).\n'}]}]