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_name_12 (cover VARCHAR, published VARCHAR)

### Question ###
What cover has a published date of May 27, 2009 (hc) May 20, 2009 (tpb)?

### Accurate SQL ###

SELECT cover FROM table_name_12 WHERE published = "may 27, 2009 (hc) may 20, 2009 (tpb)"