CREATE TABLE table_11286 ("Driver" TEXT, "Constructor" TEXT, "Laps" FLOAT, "Time/Retired" TEXT, "Grid" FLOAT)

Which constructor has a Grid smaller than 18, and a Driver of mika h kkinen?
SELECT "Constructor" FROM table_11286 WHERE "Grid" < '18' AND "Driver" = 'mika häkkinen'
SELECT "Constructor" FROM "table_11286" WHERE "Driver" = 'mika häkkinen' AND "Grid" < '18'