CREATE TABLE table_64321 ("Rider" TEXT, "Bike" TEXT, "Laps" FLOAT, "Time" TEXT, "Grid" FLOAT)

What rider has laps less than 20, a ducati 1098 rs 08 as the bike, with accident as the time, and a grid less than 14?
SELECT "Rider" FROM table_64321 WHERE "Laps" < '20' AND "Bike" = 'ducati 1098 rs 08' AND "Time" = 'accident' AND "Grid" < '14'
SELECT "Rider" FROM "table_64321" WHERE "Bike" = 'ducati 1098 rs 08' AND "Grid" < '14' AND "Laps" < '20' AND "Time" = 'accident'