Question: when does season 6 of married at first sight end
[{'answer': '2019', 'provenance': [{'wikipedia_id': '46286191', 'title': 'Married at First Sight (Australian TV series)', 'start_paragraph_id': 2, 'start_character': 331, 'end_paragraph_id': 2, 'end_character': 335, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]