Question: how many episodes are there of olive kitteridge
[{'answer': 'four', 'provenance': [{'wikipedia_id': '44294806', 'title': 'Olive Kitteridge (miniseries)', 'start_paragraph_id': 1, 'start_character': 347, 'end_paragraph_id': 1, 'end_character': 351, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '44294806', 'title': 'Olive Kitteridge (miniseries)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 410, 'bleu_score': 0.7112774736863151, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1160535905064805317}, 'section': 'Section::::Abstract.'}]}]