Question: how many episodes are in the last season of girlfriends guide to divorce
[{'answer': '6', 'provenance': [{'wikipedia_id': '42000506', 'title': "Girlfriends' Guide to Divorce", 'start_paragraph_id': 2, 'start_character': 518, 'end_paragraph_id': 2, 'end_character': 519, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]