Question: how many seasons of real housewives beverly hills
[{'answer': '8', 'provenance': [{'wikipedia_id': '26674265', 'title': 'The Real Housewives of Beverly Hills', 'start_paragraph_id': 2, 'start_character': 199, 'end_paragraph_id': 2, 'end_character': 200, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]