user: Question: Who directs before 1949 with Linda Darnell leading and Jonathan Kent?
Columns: ['Year', 'Title', 'Role', 'Leading Lady', 'Director']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1940.0, 'Johnny Apollo', 'Bob Cain (Johnny Apollo)', 'Dorothy Lamour', 'Henry Hathaway']
SQL:

assistant: SELECT "Director" FROM "Table" WHERE "Year" < 1949.0 AND "Leading Lady" = 'Linda Darnell' AND "Role" = 'Jonathan Kent';