Question: who is in charge of a republic government
[{'answer': 'president', 'provenance': [{'wikipedia_id': '25536', 'title': 'Republic', 'start_paragraph_id': 70, 'start_character': 53, 'end_paragraph_id': 70, 'end_character': 62, 'bleu_score': 1.0, 'section': 'Section::::Head of state.:Structure.\n'}]}, {'provenance': [{'wikipedia_id': '25536', 'title': 'Republic', 'start_paragraph_id': 70, 'start_character': 0, 'end_paragraph_id': 70, 'end_character': 697, 'bleu_score': 0.9832621206481431, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14429702298762706381}, 'section': 'Section::::Head of state.:Structure.\n'}]}]