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_78381 ( "Season" text, "1st Division" text, "Relegated" text, "2nd Division" text, "Promoted" text )

### Question ###
What is the 1st division when the 2nd division is national league?

### Accurate SQL ###

SELECT "1st Division" FROM table_78381 WHERE "2nd Division" = 'national league'