Question: when is season 4 of rwby coming out
[{'answer': 'October 22 , 2016', 'provenance': [{'wikipedia_id': '40133828', 'title': 'List of RWBY episodes', 'start_paragraph_id': 17, 'start_character': 333, 'end_paragraph_id': 17, 'end_character': 353, 'bleu_score': 1.0, 'section': 'Section::::Episodes.:(2016–17).\n'}]}]