Question: who was the first us president to be nominated at a large party convention
[{'answer': 'Andrew Jackson', 'provenance': [{'wikipedia_id': '9585024', 'title': '1832 Democratic National Convention', 'start_paragraph_id': 1, 'start_character': 205, 'end_paragraph_id': 1, 'end_character': 219, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]