CREATE TABLE table_37897 ("Call sign" TEXT, "Frequency MHz" FLOAT, "City of license" TEXT, "ERP W" FLOAT, "Class" TEXT, "FCC info" TEXT)

Which FCC info has a Call sign of wsja?
SELECT "FCC info" FROM table_37897 WHERE "Call sign" = 'wsja'
SELECT "FCC info" FROM "table_37897" WHERE "Call sign" = 'wsja'