human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Entrant, Constructor, Chassis, Engine †, Tyre, Driver, Rounds
###Question: what is the tyre when the engine is asiatech at02 and the driver is alex yoong?
gpt
SELECT Tyre FROM table WHERE Engine † = asiatech at02 AND Driver = alex yoong