CREATE TABLE table_77317 ("Position" FLOAT, "Driver / Passenger" TEXT, "Equipment" TEXT, "Bike No" FLOAT, "Points" FLOAT)

What is the most elevated Position that has a Points of 257, and a Bike No littler than 19?
SELECT MAX("Position") FROM table_77317 WHERE "Points" = '257' AND "Bike No" < '19'
SELECT MAX("Position") FROM "table_77317" WHERE "Bike No" < '19' AND "Points" = '257'