Question: what is the highest close of the dow jones
[{'answer': '41.22', 'provenance': [{'wikipedia_id': '1538093', 'title': 'Closing milestones of the Dow Jones Industrial Average', 'start_paragraph_id': 13, 'start_character': 117, 'end_paragraph_id': 13, 'end_character': 121, 'bleu_score': 1.0, 'section': 'Section::::Milestone highs and lows.\n'}]}]