user: Question: Who is the nominee for Best Director?
Columns: ['Ceremony', 'Award', 'Category', 'Nominee', 'Outcome']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Filmfare Awards', '6th Filmfare Awards', 'Best Movie', 'B. R. Chopra', 'Nominated']
SQL:

assistant: SELECT "Nominee" FROM "Table" WHERE "Category" = 'Best Director';