CREATE TABLE table_37278 ("Date" TEXT, "Episode" FLOAT, "Performer 1" TEXT, "Performer 2" TEXT, "Performer 3" TEXT, "Performer 4" TEXT)

Who was the 3rd performer when Rory Bremner was the 4th performer?
SELECT "Performer 3" FROM table_37278 WHERE "Performer 4" = 'rory bremner'
SELECT "Performer 3" FROM "table_37278" WHERE "Performer 4" = 'rory bremner'