Question: when does the new season of last week tonight start
[{'answer': 'February 18 , 2018'}, {'provenance': [{'wikipedia_id': '41923028', 'title': 'Last Week Tonight with John Oliver', 'start_paragraph_id': 2, 'start_character': 180, 'end_paragraph_id': 2, 'end_character': 381, 'bleu_score': 0.6917381010255601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13900174921579427029}, 'section': 'Section::::Abstract.'}]}]