CREATE TABLE table_5672 ("Date" TEXT, "Episode" FLOAT, "Performer 1" TEXT, "Performer 2" TEXT, "Performer 3" TEXT, "Performer 4" TEXT)

What was Performer 1's name who performed with Sandi Toksvig as Performer 3 and Mike McShane as Performer 4?
SELECT "Performer 1" FROM table_5672 WHERE "Performer 3" = 'sandi toksvig' AND "Performer 4" = 'mike mcshane'
SELECT "Performer 1" FROM "table_5672" WHERE "Performer 3" = 'sandi toksvig' AND "Performer 4" = 'mike mcshane'