CREATE TABLE table_46759 ("Call sign" CLOB, "Frequency MHz" FLOAT, "City of license" CLOB, "ERP W" FLOAT, "Class" CLOB, "FCC info" CLOB)

What was the call sign for ERP W of 99?
SELECT "Call sign" FROM table_46759 WHERE "ERP W" = '99'
SELECT "Call sign" FROM "table_46759" WHERE "ERP W" = '99'