Table:
text: 1982 IMSA GT Championship season
Schedule
Schedule
Race Length_ Class_ Circuit Date_
G.I. Joe`s / Toyota Grand Prix miles (km) GTP/GTO Portland International Raceway August 1
G.I. Joe`s / Toyota Grand Prix 30 minutes GTU Portland International Raceway August 1
Labatt`s 50 GT 6 hours All Mosport Park August 15
Pabst 500 miles (km) All Road America August 22
Lumbermen`s Six Hours 6 hours All Mid-Ohio Sports Car Course September 5
Sprite 500 500km All Road Atlanta September 12
Grand Prix of Pocono miles (km) All Pocono Raceway September 26
Daytona Three Hour 3 hours All Daytona International Speedway November 28

Question: What is the date of the Mosport Park circuit in the 1982 IMSA GT Championship season?

Question: How long is the race in the 1982 IMSA GT Championship season on August 15th?