What date has a result of win, in a friendly competition in Porto?
CREATE TABLE table_name_79 (date VARCHAR, location VARCHAR, result VARCHAR, competition VARCHAR)
SELECT date FROM table_name_79 WHERE result = "win" AND competition = "friendly" AND location = "porto"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_79 (date VARCHAR, location VARCHAR, result VARCHAR, competition VARCHAR) Question: What date has a result of win, in a friendly competition in Porto? [/INST] SELECT date FROM table_name_79 WHERE result = "win" AND competition = "friendly" AND location = "porto" </s>