Question: which country gained the louisiana territory in the treaty of paris of 1763
[{'answer': 'Spain', 'provenance': [{'wikipedia_id': '191924', 'title': 'Treaty of Paris (1763)', 'start_paragraph_id': 1, 'start_character': 131, 'end_paragraph_id': 1, 'end_character': 136, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '191924', 'title': 'Treaty of Paris (1763)', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 606, 'bleu_score': 0.9028526353147621, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1960795549738605663}, 'section': 'Section::::Louisiana question.\n'}]}]