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_20522228_2 ( share INTEGER, rank__overall_ VARCHAR )

### Question ###
What was the share for rank 54?

### Accurate SQL ###

SELECT MAX(share) FROM table_20522228_2 WHERE rank__overall_ = "54"