Question: how many series of the only way is essex are there
[{'answer': '22', 'provenance': [{'wikipedia_id': '29153454', 'title': 'The Only Way Is Essex', 'start_paragraph_id': 2, 'start_character': 219, 'end_paragraph_id': 2, 'end_character': 221, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]