Question: how many series of death in paradise are there
[{'answer': '7', 'provenance': [{'wikipedia_id': '33529086', 'title': 'Death in Paradise (TV series)', 'start_paragraph_id': 8, 'start_character': 231, 'end_paragraph_id': 8, 'end_character': 232, 'bleu_score': 1.0, 'section': 'Section::::Setting.:Saint Marie.\n'}]}]