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_29997112_3 (international_use VARCHAR, flag_name VARCHAR)

### Question ###
What is the international use of the 1 единица flag?

### Accurate SQL ###

SELECT international_use FROM table_29997112_3 WHERE flag_name = "1 единица"