Performer 3 de Paul Merton, e um Performer 4 de Sandi Toksvig, qual é o performer 1?
CREATE TABLE table_name_93 (performer_1 VARCHAR, performer_3 VARCHAR, performer_4 VARCHAR)
SELECT performer_1 FROM table_name_93 WHERE performer_3 = "paul merton" AND performer_4 = "sandi toksvig"