Question: when did season 4 of jane the virgin start
[{'answer': 'October 13 , 2017', 'provenance': [{'wikipedia_id': '54384637', 'title': 'Jane the Virgin (season 4)', 'start_paragraph_id': 4, 'start_character': 278, 'end_paragraph_id': 4, 'end_character': 295, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}]