CREATE TABLE table_75669 ("Call sign" TEXT, "Frequency MHz" TEXT, "City of license" TEXT, "ERP W" TEXT, "FCC info" TEXT)

Which ERP W has a Frequency MHz of 88.5 FM?
SELECT "ERP W" FROM table_75669 WHERE "Frequency MHz" = '88.5 fm'
SELECT "ERP W" FROM "table_75669" WHERE "Frequency MHz" = '88.5 fm'