user: Question: What's the C_{high} when the C_{low} value is 250.5?
Columns: ['C_{low}', 'C_{high}', 'I_{low}', 'I_{high}', 'Category']
Types: ['text', 'text', 'real', 'real', 'text']
Sample row: ['0', '12.0', 0.0, 50.0, 'Good']
SQL:

assistant: SELECT "C_{high}" FROM "Table" WHERE "C_{low}" = '250.5';