Question: who was the inventor of the electric bass
[{'answer': 'Paul Tutmarc', 'provenance': [{'wikipedia_id': '3916', 'title': 'Bass guitar', 'start_paragraph_id': 9, 'start_character': 36, 'end_paragraph_id': 9, 'end_character': 48, 'bleu_score': 1.0, 'section': 'Section::::History.:1930s–1940s.\n'}]}]