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 ( rank VARCHAR, hk_viewers VARCHAR )

### Question ###
How was the episode seen by 2.26 million HK viewers ranked?

### Accurate SQL ###

SELECT rank FROM table_19210674_1 WHERE hk_viewers = "2.26 million"