Question: how many episodes were in season 1 of downton abbey
[{'answer': '7', 'provenance': [{'wikipedia_id': '32581419', 'title': 'List of Downton Abbey episodes', 'start_paragraph_id': 17, 'start_character': 3, 'end_paragraph_id': 17, 'end_character': 4, 'bleu_score': 1.0, 'section': 'Section::::Film.\n'}]}]