Question: which treaty gave the united states access to the mississippi river and new orleans for trade
[{'answer': "Pinckney 's Treaty", 'provenance': [{'wikipedia_id': '1622931', 'title': 'History of New Orleans', 'start_paragraph_id': 16, 'start_character': 8, 'end_paragraph_id': 16, 'end_character': 32, 'bleu_score': 1.0, 'section': 'Section::::Colonial era.:Spanish interregnum.\n'}]}, {'provenance': [{'wikipedia_id': '1622931', 'title': 'History of New Orleans', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 173, 'bleu_score': 0.9321022168949711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4687247779762800159}, 'section': 'Section::::Colonial era.:Spanish interregnum.\n'}]}]