CREATE TABLE table_27396005_2 (pos NUMBER, constructor VARCHAR2, driver VARCHAR2)

What was the maximum finish position of the car whose constructor was Joe Gibbs Racing, driven by Denny Hamlin?
SELECT MAX(pos) FROM table_27396005_2 WHERE constructor = "Joe Gibbs Racing" AND driver = "Denny Hamlin"
SELECT MAX("pos") FROM "table_27396005_2" WHERE "Denny Hamlin" = "driver" AND "Joe Gibbs Racing" = "constructor"