OptionalidOptionallevelPopulation variance of levelId across the matching connection
OptionalworkshopPopulation variance of workshopId across the matching connection
OptionalauthorPopulation variance of authorId across the matching connection
OptionalvalidationPopulation variance of validationTimeAuthor across the matching connection
OptionalvalidationPopulation variance of validationTimeGold across the matching connection
OptionalvalidationPopulation variance of validationTimeSilver across the matching connection
OptionalvalidationPopulation variance of validationTimeBronze across the matching connection
Optional__Optional__
Population variance of id across the matching connection