Question: when do new episodes of ncis los angeles return
[{'answer': 'October 1 , 2017', 'provenance': [{'wikipedia_id': '54976691', 'title': 'NCIS: Los Angeles (season 9)', 'start_paragraph_id': 1, 'start_character': 36, 'end_paragraph_id': 1, 'end_character': 54, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'May 13 , 2018'}, {'provenance': [{'wikipedia_id': '54976691', 'title': 'NCIS: Los Angeles (season 9)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17995654616285616483}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '54976691', 'title': 'NCIS: Los Angeles (season 9)', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The ninth season of "" premiered on October 1, 2017 on CBS for the 201718 television season, and concluded on May 20, 2018. The season contained 24 episodes and the series 200th episode. Nia Long joined the cast as Shay Mosley for the ninth season after Miguel Ferrer\'s death.', 'The ninth season of "" premiered on October 1, 2017 on CBS for the 201718 television season, and concluded on May 20, 2018. The season contained 24 episodes and the series 200th episode.', 'The ninth season of "" premiered on October 1, 2017 on CBS for the 201718 television season, and concluded on May 20, 2018.']}}]}]