CREATE TABLE table_63902 ("Year" FLOAT, "Main" CLOB, "Hessen" CLOB, "Rhein" CLOB, "Saar" CLOB)

Which year has a Main of Eintracht Frankfurt and Hessen of FSV Mainz 05?
SELECT "Year" FROM table_63902 WHERE "Main" = 'eintracht frankfurt' AND "Hessen" = 'fsv mainz 05'
SELECT "Year" FROM "table_63902" WHERE "Hessen" = 'fsv mainz 05' AND "Main" = 'eintracht frankfurt'