Question: what is the currency of papua new guinea
[{'answer': 'kina', 'provenance': [{'wikipedia_id': '1369805', 'title': 'Papua New Guinean kina', 'start_paragraph_id': 0, 'start_character': 18, 'end_paragraph_id': 0, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]