CREATE TABLE table_73349 ("Episode" FLOAT, "Song" TEXT, "Average grade" TEXT, "Detailed grades" TEXT, "Classification  ( Judges ) " TEXT, "Classification  ( Viewers ) " TEXT)

Name the average grade for mar k tarkan
SELECT "Average grade" FROM table_73349 WHERE "Song" = 'Şımarık Tarkan'
SELECT "Average grade" FROM "table_73349" WHERE "Song" = 'Şımarık Tarkan'