Question: who is the first prime minister of singapore
[{'answer': 'Lee Kuan Yew', 'provenance': [{'wikipedia_id': '350647', 'title': 'Prime Minister of Singapore', 'start_paragraph_id': 4, 'start_character': 9, 'end_paragraph_id': 4, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]