Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_19210674_1 ( average INTEGER, chinese_title VARCHAR )

### Question ###
What was the maximum average of the episode with a Chinese title b?

### Accurate SQL ###

SELECT MAX(average) FROM table_19210674_1 WHERE chinese_title = "古靈精探B"