Which unite had the type wwer-440/213?
CREATE TABLE table_name_31 (unit VARCHAR, type VARCHAR)
SELECT unit FROM table_name_31 WHERE type = "wwer-440/213"
### Context: CREATE TABLE table_name_31 (unit VARCHAR, type VARCHAR) ### Question: Which unite had the type wwer-440/213? ### Answer: SELECT unit FROM table_name_31 WHERE type = "wwer-440/213"