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_29728787_1 (conductor VARCHAR, olivier VARCHAR)

### Question ###
When dietrich fischer-dieskau is the olivier who is the conductor?

### Accurate SQL ###

SELECT conductor FROM table_29728787_1 WHERE olivier = "Dietrich Fischer-Dieskau"