Question: when does next season of the challenge start
[{'answer': 'July 10 , 2018'}, {'provenance': [{'wikipedia_id': '1475688', 'title': 'The Challenge (TV series)', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 215, 'bleu_score': 0.585135990594367, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8891415694882210868}, 'section': 'Section::::Abstract.'}]}]