user: Question: What is the highest taijijian with a 9.87 taijiquan and a total less than 19.77?
Columns: ['Rank', 'Athlete', 'Taijijian', 'Taijiquan', 'Total']
Types: ['real', 'text', 'real', 'real', 'real']
Sample row: [1.0, 'Wu Yanan ( CHN )', 9.9, 9.87, 19.77]
SQL:

assistant: SELECT MAX("Taijijian") FROM "Table" WHERE "Taijiquan" = 9.87 AND "Total" < 19.77;