Question: what is the flash point of transformer oil
[{'answer': '140 ° C or greater', 'provenance': [{'wikipedia_id': '2159805', 'title': 'Transformer oil', 'start_paragraph_id': 4, 'start_character': 298, 'end_paragraph_id': 4, 'end_character': 312, 'bleu_score': 0.668740304976422, 'section': 'Section::::Function and properties.\n'}]}, {'provenance': [{'wikipedia_id': '2159805', 'title': 'Transformer oil', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 393, 'bleu_score': 0.9679895851501501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2823320412726232693}, 'section': 'Section::::Function and properties.\n'}]}]