Question: what rapper's unique sound was coined g-funk or gangsta-funk
[{'answer': 'Dr. Dre', 'provenance': [{'wikipedia_id': '183310', 'title': 'G-funk', 'start_paragraph_id': 4, 'start_character': 433, 'end_paragraph_id': 4, 'end_character': 440, 'bleu_score': 1.0, 'section': 'Section::::Characteristics.\n'}]}, {'provenance': [{'wikipedia_id': '183310', 'title': 'G-funk', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 749, 'bleu_score': 0.9294865899240731, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5502604225078647758}, 'section': 'Section::::Origins.\n'}]}]