Question: how many seasons of rules of engagement is there
[{'answer': 'seven', 'provenance': [{'wikipedia_id': '8556123', 'title': 'Rules of Engagement (TV series)', 'start_paragraph_id': 3, 'start_character': 194, 'end_paragraph_id': 3, 'end_character': 199, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '7'}, {'provenance': [{'wikipedia_id': '8556123', 'title': 'Rules of Engagement (TV series)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 207, 'bleu_score': 0.763063796987382, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 83158059644159787}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8556123', 'title': 'Rules of Engagement (TV series)', 'section': 'Section::::Syndication.\n', 'start_paragraph_id': 35, 'end_paragraph_id': 35, 'meta': {'evidence_span': ['"Rules of Engagement" was cancelled by CBS after seven seasons', 'eason 7 began airing on Mondays at 8:30, starting February 4, 2013.', 'All 7 seasons were available for streaming on Netflix until September 2018 when they were removed.']}}]}]