human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Rank, Athlete, Nandao, Nanquan, Total
###Question: Which Nanquan has a Nandao smaller than 9.44, and a Rank smaller than 9, and a Total larger than 18.68?
gpt
SELECT MIN Nanquan FROM table WHERE Nandao < 9.44 AND Rank < 9 AND Total > 18.68