Question: angola and mozambique were once colonies of which country
[{'answer': 'Portugal', 'provenance': [{'wikipedia_id': '39567', 'title': 'History of Angola', 'start_paragraph_id': 1, 'start_character': 375, 'end_paragraph_id': 1, 'end_character': 383, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '39567', 'title': 'History of Angola', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 803, 'bleu_score': 0.9850176677359421, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1074485823866456182}, 'section': 'Section::::Abstract.'}]}]