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_15 (type VARCHAR, unit VARCHAR)
### Question:
Which type had the unit greifswald - 7 (kgr 7) ?
### Answer:
SELECT type FROM table_name_15 WHERE unit = "greifswald - 7 (kgr 7)"