CREATE TABLE table_37896 ("Call sign" TEXT, "Frequency MHz" FLOAT, "City of license" TEXT, "ERP W" FLOAT, "Class" TEXT, "FCC info" TEXT)

Which Frequency MHz is the highest one that has a City of license of byron, ga?
SELECT MAX("Frequency MHz") FROM table_37896 WHERE "City of license" = 'byron, ga'
SELECT MAX("Frequency MHz") FROM "table_37896" WHERE "City of license" = 'byron, ga'