Construction start of 1 december 1984 is what unit?
CREATE TABLE table_name_75 (unit VARCHAR, construction_start VARCHAR)
SELECT unit FROM table_name_75 WHERE construction_start = "1 december 1984"
### Context: CREATE TABLE table_name_75 (unit VARCHAR, construction_start VARCHAR) ### Question: Construction start of 1 december 1984 is what unit? ### Answer: SELECT unit FROM table_name_75 WHERE construction_start = "1 december 1984"