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_27218002_1 ( directed_by VARCHAR, originalairdate VARCHAR )

### Question ###
Name who directed the air date of 12 july 2010

### Accurate SQL ###

SELECT directed_by FROM table_27218002_1 WHERE originalairdate = "12 July 2010"