Question: when was season 1 of the next step filmed
[{'answer': 'began July 12 , 2012', 'provenance': [{'wikipedia_id': '38763133', 'title': 'The Next Step (2013 TV series)', 'start_paragraph_id': 57, 'start_character': 243, 'end_paragraph_id': 57, 'end_character': 265, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}, {'provenance': [{'wikipedia_id': '38763133', 'title': 'The Next Step (2013 TV series)', 'start_paragraph_id': 57, 'start_character': 0, 'end_paragraph_id': 57, 'end_character': 282, 'bleu_score': 0.8832000938217641, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10131176889422409237}, 'section': 'Section::::Production.\n'}]}]