CREATE TABLE table_name_89 (tournament VARCHAR2, opponent_in_the_final VARCHAR2)

What was the name of the tournament that the final was played against Yi Jingqian?
SELECT tournament FROM table_name_89 WHERE opponent_in_the_final = "yi jingqian"
SELECT "tournament" FROM "table_name_89" WHERE "opponent_in_the_final" = "yi jingqian"