CREATE TABLE table_name_27 (nanquan NUMBER, total VARCHAR2, nandao VARCHAR2, rank VARCHAR2)

Which Nanquan has a Nandao smaller than 9.44, and a Rank smaller than 9, and a Total larger than 18.68?
SELECT MIN(nanquan) FROM table_name_27 WHERE nandao < 9.44 AND rank < 9 AND total > 18.68
SELECT MIN("nanquan") FROM "table_name_27" WHERE "nandao" < 9.44 AND "rank" < 9 AND "total" > 18.68