Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### 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"