Question: how many episodes in the killing on netflix
[{'answer': 'six episodes', 'provenance': [{'wikipedia_id': '31075273', 'title': 'List of The Killing episodes', 'start_paragraph_id': 2, 'start_character': 172, 'end_paragraph_id': 2, 'end_character': 184, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31075273', 'title': 'List of The Killing episodes', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 221, 'bleu_score': 0.878739739614748, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7332443562370769813}, 'section': 'Section::::Abstract.'}]}]