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_28342423_1 ( parent_unit VARCHAR, commanding_officer VARCHAR )

### Question ###
Name the parent unit for josef priller

### Accurate SQL ###

SELECT parent_unit FROM table_28342423_1 WHERE commanding_officer = "Josef Priller"