[PAR] [TLE] Index of Effluency [SEP] Index of Effluency (or IOE) is the top prize awarded in the 24 Hours of LeMons automotive racing series.  General criteria to win this award is a car that is too unreliable to be driven effectively on the streets yet manages to complete a decent amount of laps on the race track.  IOE can be awarded to a vehicle that was deemed unreliable from the factory (e.g. Volkswagen Karmann Ghia) or a more reliable car with an unwise engine transplant (e.g. Ford Thunderbird with a BMW diesel engine). [PAR] [TLE] 24 Hours of LeMons [SEP] The 24 Hours of LeMons is a series of endurance races held on paved road race courses across the United States, Australia (since October 2015) and New Zealand (first event held September 2016).  The series holds the Guinness World Record for the "Most participants in one race" (216 cars).
[PAR] [TLE] Index of Effluency [ SEP ] Index of Effluency ( or IOE ) is the top prize awarded in the 24 Hours of LeMons automotive racing series . General criteria to win this award is a car that is too unreliable to be driven effectively on the streets yet manages to complete a decent amount of laps on the race track . IOE can be awarded to a vehicle that was deemed unreliable from the factory ( e.g. Volkswagen Karmann Ghia ) or a more reliable car with an unwise engine transplant ( e.g. Ford Thunderbird with a BMW diesel engine ) . [PAR] [TLE] 24 Hours of LeMons [ SEP ] The 24 Hours of LeMons is a series of endurance races held on paved road race courses across the United States , Australia ( since October 2015 ) and New Zealand ( first event held September 2016 ) . The series holds the Guinness World Record for the " Most participants in one race " ( 216 cars ) .
Index of Effluency is the top prize awarded in a series of endurance races that  holds the Guinness World Record for what?
Index of Effluency is the top prize awarded in a series of endurance races that holds the Guinness World Record for what ?
Most participants in one race
Most participants in one race