Question: who was the swedish scientist who developed a naming system based on organisms observable traits
[{'answer': 'Carl Linnaeus', 'provenance': [{'wikipedia_id': '5233', 'title': 'Carl Linnaeus', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5233', 'title': 'Carl Linnaeus', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 378, 'bleu_score': 0.649137718574715, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3512381189606406542}, 'section': 'Section::::Abstract.'}]}]