Question: which world culture features the singing style known as call and response
[{'answer': 'Sub-Saharan African cultures', 'provenance': [{'wikipedia_id': '378911', 'title': 'Call and response (music)', 'start_paragraph_id': 3, 'start_character': 3, 'end_paragraph_id': 3, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::African music.\n'}]}, {'provenance': [{'wikipedia_id': '378911', 'title': 'Call and response (music)', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 930, 'bleu_score': 0.759802915044238, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15210598687404165289}, 'section': 'Section::::African American music.\n'}]}]