Question: how many seasons of jersy shore are there
[{'answer': '6', 'provenance': [{'wikipedia_id': '25282459', 'title': 'Jersey Shore (TV series)', 'start_paragraph_id': 7, 'start_character': 714, 'end_paragraph_id': 7, 'end_character': 715, 'bleu_score': 1.0, 'section': 'Section::::Production history.\n'}]}]