Question: what was the term given to the period when african american culture became popular
[{'answer': 'Harlem Renaissance', 'provenance': [{'wikipedia_id': '1142503', 'title': 'African-American culture', 'start_paragraph_id': 18, 'start_character': 11, 'end_paragraph_id': 18, 'end_character': 29, 'bleu_score': 1.0, 'section': 'Section::::African-American cultural history.:Oral tradition.\n'}]}, {'provenance': [{'wikipedia_id': '1142503', 'title': 'African-American culture', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 592, 'bleu_score': 0.9776501033621461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 651826220213237326}, 'section': 'Section::::African-American cultural history.:Harlem Renaissance.\n'}]}]