Question: what type of political system does el salvador have
[{'answer': 'presidential representative democratic republic', 'provenance': [{'wikipedia_id': '9360', 'title': 'Politics of El Salvador', 'start_paragraph_id': 1, 'start_character': 61, 'end_paragraph_id': 1, 'end_character': 108, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'a presidential representative democratic republic', 'provenance': [{'wikipedia_id': '9360', 'title': 'Politics of El Salvador', 'start_paragraph_id': 1, 'start_character': 59, 'end_paragraph_id': 1, 'end_character': 108, 'bleu_score': 0.668740304976422, 'section': 'Section::::Abstract.'}]}, {'answer': 'presidential representative democratic republic , whereby the President of El Salvador is both head of state and head of government , and of an Executive power is exercised by the government'}, {'answer': "`` flawed democracy ''"}, {'provenance': [{'wikipedia_id': '9360', 'title': 'Politics of El Salvador', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 75, 'bleu_score': 0.56591192566527, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6381922220679111653}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9360', 'title': 'Politics of El Salvador', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 249, 'bleu_score': 0.9517713210466091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6381922220679111653}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9360', 'title': 'Politics of El Salvador', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Politics of El Salvador takes place in land a framework of A presidential representative democratic republic, whereby the President of El Salvador is both head of state and head of government, and of an Executive power is exercised by the government.', 'presidential representative democratic republic', 'a framework of A presidential representative democratic republic, whereby the President of El Salvador is both head of state and head of government, and of an Executive power is exercised by the government.']}}]}]