CREATE TABLE table_name_20 (taijijian NUMBER, taijiquan VARCHAR2, total VARCHAR2)

What is the highest taijijian with a 9.87 taijiquan and a total less than 19.77?
SELECT MAX(taijijian) FROM table_name_20 WHERE taijiquan = 9.87 AND total < 19.77
SELECT MAX("taijijian") FROM "table_name_20" WHERE "taijiquan" = 9.87 AND "total" < 19.77