CREATE TABLE table_191105_3 (subject VARCHAR2, performed_by VARCHAR2)

WHen jaime aff and christine langner are the performers what is the subject?
SELECT subject FROM table_191105_3 WHERE performed_by = "Jaime Aff and Christine Langner"
SELECT "subject" FROM "table_191105_3" WHERE "Jaime Aff and Christine Langner" = "performed_by"