Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_191105_3 (subject VARCHAR, performed_by VARCHAR)

### Question ###
WHen jaime aff and christine langner are the performers what is the subject?

### Accurate SQL ###

SELECT subject FROM table_191105_3 WHERE performed_by = "Jaime Aff and Christine Langner"