CREATE TABLE table_42143 ("Call sign" CLOB, "Frequency MHz" FLOAT, "City of license" CLOB, "ERP W" FLOAT, "Class" CLOB, "FCC info" CLOB)

For the call sign w242at what's the city the license plate is registered to?
SELECT "City of license" FROM table_42143 WHERE "Call sign" = 'w242at'
SELECT "City of license" FROM "table_42143" WHERE "Call sign" = 'w242at'