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_94 (tonnage_grt VARCHAR, type VARCHAR, date VARCHAR)
### Question:
what is the total tonnage grt of the cargo ship(s) sunk or captured on 4 feb 16?
### Answer:
SELECT COUNT(tonnage_grt) FROM table_name_94 WHERE type = "cargo ship" AND date = "4 feb 16"