Question: what is the meaning of the name oedipus
[{'answer': "`` swollen foot ''"}, {'provenance': [{'wikipedia_id': '77363', 'title': 'Oedipus', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 274, 'bleu_score': 0.806602059649358, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9870241208365398310}, 'section': 'Section::::Abstract.'}]}]