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_10979230_5 ( reference VARCHAR, romaji_title VARCHAR )

### Question ###
who is the reference when romaji title is heartbreak sniper?

### Accurate SQL ###

SELECT reference FROM table_10979230_5 WHERE romaji_title = "Heartbreak Sniper"