CREATE TABLE table_14934885_1 (performer_4 VARCHAR2, performer_3 VARCHAR2)

Who was performer 4 when Kate Robbins was performer 3?
SELECT performer_4 FROM table_14934885_1 WHERE performer_3 = "Kate Robbins"
SELECT "performer_4" FROM "table_14934885_1" WHERE "Kate Robbins" = "performer_3"