CREATE TABLE table_31705 ("Pos." CLOB, "Driver" CLOB, "Constructor" CLOB, "Part 1" CLOB, "Grid" CLOB)

Tell me the constructor for david coulthard
SELECT "Constructor" FROM table_31705 WHERE "Driver" = 'david coulthard'
SELECT "Constructor" FROM "table_31705" WHERE "Driver" = 'david coulthard'