CREATE TABLE table_43711 ("Call sign" TEXT, "Frequency MHz" FLOAT, "City of license" TEXT, "ERP W" FLOAT, "FCC info" TEXT)

Which call sign has ERP Wlarger than 250, and Frequency MHZ smaller than 99.3?
SELECT "Call sign" FROM table_43711 WHERE "ERP W" > '250' AND "Frequency MHz" < '99.3'
SELECT "Call sign" FROM "table_43711" WHERE "ERP W" > '250' AND "Frequency MHz" < '99.3'