CREATE TABLE table_37755 ("Call sign" TEXT, "Frequency MHz" FLOAT, "City of license" TEXT, "ERP W" FLOAT, "Class" TEXT, "FCC info" TEXT)

Which callsign has ERP W of 99 and a frequency of greater than 88.7MHz?
SELECT "Call sign" FROM table_37755 WHERE "Frequency MHz" > '88.7' AND "ERP W" = '99'
SELECT "Call sign" FROM "table_37755" WHERE "ERP W" = '99' AND "Frequency MHz" > '88.7'