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 ( episode VARCHAR, share VARCHAR )

### Question ###
What was the episode name when share was 8?

### Accurate SQL ###

SELECT episode FROM table_20522228_2 WHERE share = 8