Question: what countries have dutch as their official language
[{'answer': 'Aruba', 'provenance': [{'wikipedia_id': '19985174', 'title': 'Dutch language', 'start_paragraph_id': 2, 'start_character': 153, 'end_paragraph_id': 2, 'end_character': 158, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Belgium', 'provenance': [{'wikipedia_id': '19985174', 'title': 'Dutch language', 'start_paragraph_id': 1, 'start_character': 232, 'end_paragraph_id': 1, 'end_character': 239, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Curaçao', 'provenance': [{'wikipedia_id': '19985174', 'title': 'Dutch language', 'start_paragraph_id': 2, 'start_character': 160, 'end_paragraph_id': 2, 'end_character': 167, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Netherlands', 'provenance': [{'wikipedia_id': '19985174', 'title': 'Dutch language', 'start_paragraph_id': 1, 'start_character': 175, 'end_paragraph_id': 1, 'end_character': 186, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Sint Maarten', 'provenance': [{'wikipedia_id': '19985174', 'title': 'Dutch language', 'start_paragraph_id': 2, 'start_character': 172, 'end_paragraph_id': 2, 'end_character': 184, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Suriname', 'provenance': [{'wikipedia_id': '19985174', 'title': 'Dutch language', 'start_paragraph_id': 2, 'start_character': 90, 'end_paragraph_id': 2, 'end_character': 98, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]