Question: when does ravens home come on disney channel
[{'answer': 'July 21 , 2017', 'provenance': [{'wikipedia_id': '53691702', 'title': "Raven's Home", 'start_paragraph_id': 29, 'start_character': 118, 'end_paragraph_id': 29, 'end_character': 132, 'bleu_score': 1.0, 'section': 'Section::::Broadcast.\n'}]}, {'provenance': [{'wikipedia_id': '53691702', 'title': "Raven's Home", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 268, 'bleu_score': 0.9560167778278961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5876786976753431025}, 'section': 'Section::::Abstract.'}]}]