CREATE TABLE table_name_83 (performer_2 VARCHAR2, performer_4 VARCHAR2, date VARCHAR2)

Who is performer 2 of the episode on 9 April 1993 with Josie Lawrence as performer 4?
SELECT performer_2 FROM table_name_83 WHERE performer_4 = "josie lawrence" AND date = "9 april 1993"
SELECT "performer_2" FROM "table_name_83" WHERE "9 april 1993" = "date" AND "josie lawrence" = "performer_4"