Question: How many different C_{high} values are there for the Good category?
SQL: SELECT COUNT("C_{high}") FROM "1-1942366-9" WHERE "Category" = 'Good';

Question: What's the C_{high} when the C_{low} value is 250.5?
SQL: SELECT "C_{high}" FROM "1-1942366-9" WHERE "C_{low}" = '250.5';

Question: What's the i_{high} value when C_{low} is 250.5?
SQL: SELECT MIN("I_{high}") FROM "1-1942366-9" WHERE "C_{low}" = '250.5';

Question: What's the C_{low} value when C_{high} is 12.0?
SQL: SELECT "C_{low}" FROM "1-1942366-9" WHERE "C_{high}" = '12.0';

Question: In how many different categories is the value of C_{low} 35.5?
SQL: SELECT COUNT("Category") FROM "1-1942366-9" WHERE "C_{low}" = '35.5';