Question: what is joy's job in what happens in vegas
[{'answer': 'equity trader', 'provenance': [{'wikipedia_id': '13393041', 'title': 'What Happens in Vegas', 'start_paragraph_id': 3, 'start_character': 30, 'end_paragraph_id': 3, 'end_character': 43, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '13393041', 'title': 'What Happens in Vegas', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 381, 'bleu_score': 0.970795021215021, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1942986257072352585}, 'section': 'Section::::Plot.\n'}]}]