CREATE TABLE table_name_73 (enrollment INT, ihsaa_class VARCHAR, mascot VARCHAR)

How many people enrolled a the school with an IHSAA Class of a, and the trojans as their mascot?
SELECT MIN(enrollment) FROM table_name_73 WHERE ihsaa_class = "a" AND mascot = "trojans"
SELECT MIN("enrollment") FROM "table_name_73" WHERE "a" = "ihsaa_class" AND "mascot" = "trojans"