user: Question: What is the primary language used in the film, Black Book?
Columns: ['Year', 'Film title used in nomination', 'Original title', 'Main Language(s)', 'Result']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1959: (32nd)', 'The Village on the River', 'Dorp aan de rivier', 'Dutch', 'Nominee']
SQL:

assistant: SELECT "Main Language(s)" FROM "Table" WHERE "Film title used in nomination" = 'Black Book';