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_31 ( english_name VARCHAR, provider_national_government_ VARCHAR, abbreviation VARCHAR )

### Question ###
What is the english name of the ministry of defense with an abbreviation of nda b ei-dai( )?

### Accurate SQL ###

SELECT english_name FROM table_name_31 WHERE provider_national_government_ = "ministry of defense" AND abbreviation = "nda bōei-dai(防衛大)"