Question: where does the name de souza come from
[{'answer': 'Northern Portugal', 'provenance': [{'wikipedia_id': '26018040', 'title': 'Sousa (surname)', 'start_paragraph_id': 4, 'start_character': 51, 'end_paragraph_id': 4, 'end_character': 68, 'bleu_score': 1.0, 'section': 'Section::::Etymology and history.\n'}]}, {'provenance': [{'wikipedia_id': '26018040', 'title': 'Sousa (surname)', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 229, 'bleu_score': 0.6821786859383671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15608957752435819716}, 'section': 'Section::::Etymology and history.\n'}]}]