CREATE TABLE "women_s_nanquan_nandao_combined" (
  "rank" real,
  "athlete" text,
  "nandao" real,
  "nanquan" real,
  "total" real
);

Question: Which Nanquan has a Nandao larger than 9.49, and a Rank of 4?
SQL: SELECT "nanquan" FROM "women_s_nanquan_nandao_combined" WHERE "nandao">9.49 AND "rank"=4;

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