Table:
text: 1985 IMSA GT Championship season
Schedule
Schedule
Race Length_ Class_ Circuit Date_
Nissan Monterey Triple Crown 300km Proto Laguna Seca Raceway May 5
Nissan Monterey Triple Crown 100km GT Laguna Seca Raceway May 5
Grand Prix of Charlotte 300km GT Charlotte Motor Speedway May 18
Grand Prix of Charlotte 500km Proto Charlotte Motor Speedway May 19
Coca-Cola 500 2 Hours GT Lime Rock Park May 27
Coca-Cola 500 2 Hours Proto Lime Rock Park May 27
Lumbermen`s 500k 300km GT Mid-Ohio Sports Car Course June 8
Lumbermen`s 500k 500km Proto Mid-Ohio Sports Car Course June 9
Camel Continental 3 Hours GT Watkins Glen International July 6
Camel Continental 3 Hours Proto Watkins Glen International July 6

Question: How long was the game in the 1985 IMSA GT Championship season on May 19?