CREATE TABLE table_22750 ("Character" TEXT, "Original Broadway performer" TEXT, "Original Australian performer" TEXT, "Original West End performer" TEXT, "2005 World AIDS Day Benefit Dream Cast" TEXT)

Who is the Original west end performer for the character Martha?
SELECT "Original West End performer" FROM table_22750 WHERE "Character" = 'Martha'
SELECT "Original West End performer" FROM "table_22750" WHERE "Character" = 'Martha'