Question: who is the current secretary general of common wealth nation
[{'answer': 'Patricia Scotland', 'provenance': [{'wikipedia_id': '331699', 'title': 'Commonwealth Secretary-General', 'start_paragraph_id': 15, 'start_character': 19, 'end_paragraph_id': 15, 'end_character': 36, 'bleu_score': 1.0, 'section': 'Section::::Election.\n'}]}]