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_name_39 ( bronze INTEGER, total VARCHAR, gold VARCHAR )

### Question ###
What is the number of bronze medals when the total medals were 78 and there were less than 12 golds?

### Accurate SQL ###

SELECT SUM(bronze) FROM table_name_39 WHERE total = 78 AND gold < 12