Who had the fastest lap when the winning driver is giorgio sanna?
CREATE TABLE table_26920192_5 (fastest_lap VARCHAR, winning_driver VARCHAR)
SELECT fastest_lap FROM table_26920192_5 WHERE winning_driver = "Giorgio Sanna"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_26920192_5 (fastest_lap VARCHAR, winning_driver VARCHAR) Question: Who had the fastest lap when the winning driver is giorgio sanna? [/INST] SELECT fastest_lap FROM table_26920192_5 WHERE winning_driver = "Giorgio Sanna" </s>