CREATE TABLE table_75602 ("Call sign" TEXT, "Frequency MHz" FLOAT, "City of license" TEXT, "ERP W" FLOAT, "Class" TEXT, "FCC info" TEXT)

Frequency MHz smaller than 95.3, and a Call sign of k234ag is what class?
SELECT "Class" FROM table_75602 WHERE "Frequency MHz" < '95.3' AND "Call sign" = 'k234ag'
SELECT "Class" FROM "table_75602" WHERE "Call sign" = 'k234ag' AND "Frequency MHz" < '95.3'