Question: who came up with six degrees of separation
[{'answer': 'Frigyes Karinthy', 'provenance': [{'wikipedia_id': '40117483', 'title': 'Six degrees of separation', 'start_paragraph_id': 1, 'start_character': 266, 'end_paragraph_id': 1, 'end_character': 282, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '40117483', 'title': 'Six degrees of separation', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 390, 'bleu_score': 0.7592735436365221, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14027217739682333753}, 'section': 'Section::::Abstract.'}]}]