CREATE TABLE table_43037 ("Rider" TEXT, "Bike" TEXT, "Laps" FLOAT, "Time" TEXT, "Grid" FLOAT)

Who was teh rider with 18 laps and a grid of 25?
SELECT "Rider" FROM table_43037 WHERE "Laps" = '18' AND "Grid" = '25'
SELECT "Rider" FROM "table_43037" WHERE "Grid" = '25' AND "Laps" = '18'