Question: what central american country was a british colony until 1981
[{'answer': 'Guatemala', 'provenance': [{'wikipedia_id': '51365', 'title': 'History of Central America', 'start_paragraph_id': 5, 'start_character': 91, 'end_paragraph_id': 5, 'end_character': 100, 'bleu_score': 1.0, 'section': 'Section::::Spanish Colonial Era.\n'}]}, {'provenance': [{'wikipedia_id': '51365', 'title': 'History of Central America', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 1727, 'bleu_score': 0.9279989037855361, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11468135513224715050}, 'section': 'Section::::Spanish Colonial Era.\n'}]}]