Question: when did rob dyrdek's fantasy factory end
[{'answer': 'March 5 , 2015', 'provenance': [{'wikipedia_id': '21784910', 'title': "Rob Dyrdek's Fantasy Factory", 'start_paragraph_id': 3, 'start_character': 214, 'end_paragraph_id': 3, 'end_character': 228, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '( 2015 - 03 - 05 )'}, {'provenance': [{'wikipedia_id': '21784910', 'title': "Rob Dyrdek's Fantasy Factory", 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 227, 'bleu_score': 0.9493253852526031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6046190432926956907}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '21784910', 'title': "Rob Dyrdek's Fantasy Factory", 'section': 'Section::::Abstract.', 'start_paragraph_id': 3, 'end_paragraph_id': 3, 'meta': {'evidence_span': ['ended March 5, 2015.', 'The sixth season was originally announced to be the final season, but in June 2014, MTV announced that "Fantasy Factory" would return for a seventh season. The seventh season premiered on January 1, 2015 and ended March 5, 2015.\rhighlight sentence(s) containing evidence, not only the answer']}}]}]