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_19 (bronze INTEGER, gold VARCHAR, silver VARCHAR)

### Question ###
What is the sum of bronzes for countries with 1 gold and under 1 silver?

### Accurate SQL ###

SELECT SUM(bronze) FROM table_name_19 WHERE gold = 1 AND silver < 1