user: Question: What role does she play before 1942 with Dorothy Arzner directing?
Columns: ['Year', 'Title', 'Genre', 'Role', 'Director']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1932.0, 'A Bill of Divorcement', 'Drama', 'Sidney Fairfield', 'George Cukor']
SQL:

assistant: SELECT "Role" FROM "Table" WHERE "Year" < 1942.0 AND "Director" = 'Dorothy Arzner';