user: Question: Who is the co-driver for the 6th position and more than 159 laps?
Columns: ['Year', 'Number', 'Team', 'Co-driver', 'Position', 'Laps']
Types: ['real', 'real', 'text', 'text', 'text', 'real']
Sample row: [1994.0, 15.0, 'Holden Racing Team', 'Brad Jones', '2nd', 161.0]
SQL:

assistant: SELECT "Co-driver" FROM "Table" WHERE "Position" = '6th' AND "Laps" > 159.0;