Question: how many episodes is there of the white princess
[{'answer': '8', 'provenance': [{'wikipedia_id': '50807741', 'title': 'The White Princess (miniseries)', 'start_paragraph_id': 60, 'start_character': 97, 'end_paragraph_id': 60, 'end_character': 98, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}]