user: Question: Who is the conductor when the Chicago Symphony Orchestra is featured?
Columns: ['Orchestra', 'Conductor', 'Record Company', 'Year of Recording', 'Format']
Types: ['text', 'text', 'text', 'real', 'text']
Sample row: ['London Symphony Orchestra', 'Antal Doráti', 'Mercury Records', 1959.0, 'CD']
SQL:

assistant: SELECT "Conductor" FROM "Table" WHERE "Orchestra" = 'Chicago Symphony Orchestra';