CREATE TABLE table_37718 ("Rank" FLOAT, "Name" TEXT, "Nationality" TEXT, "1st  ( m ) " FLOAT, "2nd  ( m ) " FLOAT, "Points" FLOAT, "Overall WC points  ( Rank ) " TEXT)

Which 1st (m) is the lowest one that has a Nationality of aut, and Points larger than 273.5?
SELECT MIN("1st (m)") FROM table_37718 WHERE "Nationality" = 'aut' AND "Points" > '273.5'
SELECT MIN("1st (m)") FROM "table_37718" WHERE "Nationality" = 'aut' AND "Points" > '273.5'