Question: what is the official language spoken in dominican republic
[{'answer': 'Spanish', 'provenance': [{'wikipedia_id': '8060', 'title': 'Dominican Republic', 'start_paragraph_id': 2, 'start_character': 300, 'end_paragraph_id': 2, 'end_character': 307, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]