Question: who was the original design of the golden gate bridge
[{'answer': 'Leon Moisseiff', 'provenance': [{'wikipedia_id': '12103', 'title': 'Golden Gate Bridge', 'start_paragraph_id': 15, 'start_character': 483, 'end_paragraph_id': 15, 'end_character': 497, 'bleu_score': 1.0, 'section': 'Section::::History.:Design.\n'}]}, {'provenance': [{'wikipedia_id': '12103', 'title': 'Golden Gate Bridge', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 552, 'bleu_score': 0.9757530668325981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12389052176582678972}, 'section': 'Section::::History.:Design.\n'}]}]