user: Question: Who directed "What Do You Know?"?
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'real']
Sample row: [170.0, 1.0, '"Paris Vacation (Part 1)"', 'Richard Correll', 'Fred Fox, Jr.', 'September 20, 1996', 465301.0]
SQL:

assistant: SELECT "Directed by" FROM "Table" WHERE "Title" = '"What Do You Know?"';