Question: how many seasons of dci banks are there
[{'answer': 'Five', 'provenance': [{'wikipedia_id': '41770397', 'title': 'List of DCI Banks episodes', 'start_paragraph_id': 1, 'start_character': 178, 'end_paragraph_id': 1, 'end_character': 182, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '41770397', 'title': 'List of DCI Banks episodes', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 350, 'bleu_score': 0.9684940092844061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6632937061081166857}, 'section': 'Section::::Abstract.'}]}]