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_name_29 (actor_required VARCHAR, actor_in_original_production VARCHAR)

### Question ###
Who is the required actor when Robert Austin was the actor in the original production?

### Accurate SQL ###

SELECT actor_required FROM table_name_29 WHERE actor_in_original_production = "robert austin"