Question: where does an electric guitar get its power from
[{'answer': 'the vibration of its strings', 'provenance': [{'wikipedia_id': '10272', 'title': 'Electric guitar', 'start_paragraph_id': 1, 'start_character': 72, 'end_paragraph_id': 1, 'end_character': 100, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '10272', 'title': 'Electric guitar', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 431, 'bleu_score': 0.511757403091581, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17575748668830622598}, 'section': 'Section::::Abstract.'}]}]