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_18 ( "Equivalent NATO Rank Code" text, "Rank in Spanish" text, "Rank in English" text, "Commonwealth equivalent" text, "US Air Force equivalent" text )

### Question ###
What could a spanish coronel be addressed as in the commonwealth military?

### Accurate SQL ###

SELECT "Commonwealth equivalent" FROM table_18 WHERE "Rank in Spanish" = 'Coronel'