Question: who was the first president of south korea
[{'answer': 'Syngman Rhee', 'provenance': [{'wikipedia_id': '98543', 'title': 'Syngman Rhee', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]