CREATE TABLE table_73106 ("C_{low}" TEXT, "C_{high}" TEXT, "I_{low}" FLOAT, "I_{high}" FLOAT, "Category" TEXT)

What's the i_{high} value when C_{low} is 250.5?
SELECT MIN("I_{high}") FROM table_73106 WHERE "C_{low}" = '250.5'
SELECT MIN("I_{high}") FROM "table_73106" WHERE "C_{low}" = '250.5'