CREATE TABLE table_63230 ("School" CLOB, "Location" CLOB, "Mascot" CLOB, "County" FLOAT, "Enrollment" CLOB, "IHSAA Class" CLOB, "Year Joined" FLOAT, "Previous Conference" CLOB)

Which school has an enrollment of A and had lost river as their previous conference?
SELECT "School" FROM table_63230 WHERE "Previous Conference" = 'lost river' AND "Enrollment" = 'a'
SELECT "School" FROM "table_63230" WHERE "Enrollment" = 'a' AND "Previous Conference" = 'lost river'