CREATE TABLE table_6302 ("Country" TEXT, "Track" TEXT, "Length  ( m ) " FLOAT, "Vertical Drop  ( m ) " FLOAT, "Maximum Grade  ( % ) " TEXT, "Bobsleigh-skeleton curves" TEXT)

What is the shortest length of a track in Norway that has a maximum grade of 15% and a vertical drop less than 122.22 m?
SELECT MIN("Length (m)") FROM table_6302 WHERE "Maximum Grade (%)" = '15' AND "Vertical Drop (m)" < '122.22' AND "Country" = 'norway'
SELECT MIN("Length (m)") FROM "table_6302" WHERE "Country" = 'norway' AND "Maximum Grade (%)" = '15' AND "Vertical Drop (m)" < '122.22'