CREATE TABLE table_name_86 (engine_† VARCHAR, chassis VARCHAR, driver VARCHAR)
SELECT engine_† FROM table_name_86 WHERE chassis = "mp4-13" AND driver = "david coulthard"
David Coulthard มีเครื่องยนต์อะไรในแชสซี mp4-13 ของเขา
What engine did David Coulthard have in his mp4-13 chassis?