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_33833 ( "Ship" text, "Built As" text, "Reclassified As" text, "Class" text, "Commissioned\u2013 Decommissioned" text, "NVR link" text )

### Question ###
Where the ship is Dahlgren what is the build as?

### Accurate SQL ###

SELECT "Built As" FROM table_33833 WHERE "Ship" = 'dahlgren'