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 (flag_name VARCHAR, meaning VARCHAR)

### Question ###
What is the name of the flag that means decimal digit 2?

### Accurate SQL ###

SELECT flag_name FROM table_29997112_3 WHERE meaning = "Decimal Digit 2"