Question: when was the first gibson les paul made
[{'answer': '1951', 'provenance': [{'wikipedia_id': '504131', 'title': 'Gibson Les Paul', 'start_paragraph_id': 7, 'start_character': 3, 'end_paragraph_id': 7, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::History.:(1950–1952).\n'}]}, {'provenance': [{'wikipedia_id': '504131', 'title': 'Gibson Les Paul', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 1333, 'bleu_score': 0.8916067312051991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8338556204145590719}, 'section': 'Section::::History.:(1950–1952).\n'}]}]