Question: who negotiated a trade treaty between the united states and great britain in 1794
[{'answer': 'John Jay', 'provenance': [{'wikipedia_id': '193600', 'title': 'Jay Treaty', 'start_paragraph_id': 2, 'start_character': 29, 'end_paragraph_id': 2, 'end_character': 37, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'William Grenville , 1st Baron Grenville'}]