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_12148018_2 ( writer VARCHAR, viewers VARCHAR )

### Question ###
who is the writer where viewers is 5.16m

### Accurate SQL ###

SELECT writer FROM table_12148018_2 WHERE viewers = "5.16m"