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_40 (tonnage_grt VARCHAR, ship VARCHAR)
### Question:
what is the tonnage grt of the ship author?
### Answer:
SELECT tonnage_grt FROM table_name_40 WHERE ship = "author"