Question: how many episodes of beneath the surface are there
[{'answer': '8', 'provenance': [{'wikipedia_id': '56051690', 'title': 'Below the Surface (Danish TV series)', 'start_paragraph_id': 3, 'start_character': 194, 'end_paragraph_id': 3, 'end_character': 195, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]