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_21942 ( "Actor in original production" text, "Actor required" text, "GamePlan" text, "FlatSpin" text, "RolePlay" text )

### Question ###
What were the requirements for the role played by Robert Austin in the original production?

### Accurate SQL ###

SELECT "Actor required" FROM table_21942 WHERE "Actor in original production" = 'Robert Austin'