Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Race | Length | Class | Circuit | Date |
| --- | --- | --- | --- | --- |
| SunBank 24 at Daytona | 24 Hours | All | Daytona International Speedway | February 2 February 3 |
| Löwenbräu Grand Prix of Miami | 3 Hours | Proto | Streets of Miami | February 24 |
| Löwenbräu Grand Prix of Miami | 45 Minutes | GTO | Streets of Miami | February 24 |
| Löwenbräu Grand Prix of Miami | 45 Minutes | GTU | Streets of Miami | February 24 |
| Coca-Cola Classic 12 Hours of Sebring | 12 Hours | All | Sebring International Raceway | March 23 |
| Atlanta Journal-Constitution Grand Prix | 500km | All | Road Atlanta | April 14 |
| Los Angeles Times / Nissan Grand Prix | 600km | All | Riverside International Raceway | April 28 |
| 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 |
| G.I. Joe's Grand Prix | 200km | GT | Portland International Raceway | July 28 |
| G.I. Joe's Grand Prix | 300km | Proto | Portland International Raceway | July 28 |
| Ford California Grand Prix | 300km | Proto | Sears Point Raceway | August 4 |
| Ford California Grand Prix | 100km | GT | Sears Point Raceway | August 4 |
| Löwenbräu Classic | 500 Miles | All | Road America | August 25 |
| Grand Prix at Pocono | 500km | All | Pocono Raceway | September 8 |
| Serengeti Drivers New York 500 | 500km | All | Watkins Glen International | September 29 |
| Columbus Ford Dealers 500 | 1 Hour | GT | Columbus street course | October 5 |
| Columbus Ford Dealers 500 | 500km | Proto | Columbus street course | October 6 |
| Eastern 3 Hours of Daytona | 3 Hours | All | Daytona International Speedway | December 1 |
Question:
what was the length of the game on may 19
Answer:
500km