CREATE TABLE table_58305 ("Driver" TEXT, "Constructor" TEXT, "Laps" FLOAT, "Time/Retired" TEXT, "Grid" FLOAT)

What is the highest grid value with constructor Mclaren - Mercedes, driver David Coulthard, and has fewer than 66 laps?
SELECT MAX("Grid") FROM table_58305 WHERE "Constructor" = 'mclaren - mercedes' AND "Driver" = 'david coulthard' AND "Laps" < '66'
SELECT MAX("Grid") FROM "table_58305" WHERE "Constructor" = 'mclaren - mercedes' AND "Driver" = 'david coulthard' AND "Laps" < '66'