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_18852984_2 ( bills_originally_cosponsored VARCHAR, all_amendments_cosponsored VARCHAR )

### Question ###
How many bills where originally cosponsored in those years where the total of all amendments cosponsored was 0?

### Accurate SQL ###

SELECT bills_originally_cosponsored FROM table_18852984_2 WHERE all_amendments_cosponsored = 0