Question: what is the newest season of the big bang theory
[{'answer': 'eleventh season', 'provenance': [{'wikipedia_id': '50375161', 'title': 'The Big Bang Theory (season 11)', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '50375161', 'title': 'The Big Bang Theory (season 11)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 273, 'bleu_score': 0.9569637990759251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2260219542421558562}, 'section': 'Section::::Abstract.'}]}]