Question: how many episodes of the killing on netflix
[{'answer': 'six', 'provenance': [{'wikipedia_id': '31075273', 'title': 'List of The Killing episodes', 'start_paragraph_id': 2, 'start_character': 172, 'end_paragraph_id': 2, 'end_character': 175, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '6'}, {'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': 15035941691060009031}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31075273', 'title': 'List of The Killing episodes', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15035941691060009031}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31075273', 'title': 'List of The Killing episodes', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'end_paragraph_id': 2, 'meta': {'evidence_span': ['On September 10, 2013, AMC officially cancelled the series after 38 episodes and three seasons. However, on November 15, 2013, Netflix ordered a fourth and final season of six episodes, that was released on August 1, 2014.', 'Netflix ordered a fourth and final season of six episodes, that was released on August 1, 2014.', 'On September 10, 2013, AMC officially cancelled the series after 38 episodes and three seasons. However, on November 15, 2013, Netflix ordered a fourth and final season of six episodes, that was released on August 1, 2014.']}}]}]