Question: when was bulimia first recognised as an eating disorder
[{'answer': '1979', 'provenance': [{'wikipedia_id': '168536', 'title': 'Bulimia nervosa', 'start_paragraph_id': 4, 'start_character': 463, 'end_paragraph_id': 4, 'end_character': 467, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '168536', 'title': 'Bulimia nervosa', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 467, 'bleu_score': 0.976327165973018, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13043549144137667763}, 'section': 'Section::::Abstract.'}]}]