Question: how many episodes will the strain season 4 have
[{'answer': '10', 'provenance': [{'wikipedia_id': '39229617', 'title': 'The Strain (TV series)', 'start_paragraph_id': 2, 'start_character': 157, 'end_paragraph_id': 2, 'end_character': 159, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]