What is the Tonnage of the ship from Canada?
CREATE TABLE table_name_73 (tonnage INTEGER, flag VARCHAR)
SELECT MAX(tonnage) FROM table_name_73 WHERE flag = "canada"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_73 (tonnage INTEGER, flag VARCHAR) Question: What is the Tonnage of the ship from Canada? [/INST] SELECT MAX(tonnage) FROM table_name_73 WHERE flag = "canada" </s>