Question: how many season of the next step are there
[{'answer': '6', 'provenance': [{'wikipedia_id': '38803539', 'title': 'List of The Next Step episodes', 'start_paragraph_id': 2, 'start_character': 109, 'end_paragraph_id': 2, 'end_character': 110, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]