Problem: Kopparvallen is a multi-use stadium in Atvidaberg, Sweden, famous football players who have played in the arena includes which former footballer from Sweden, and he participated at the World Cups 1974 FIFA World Cup and 1978 FIFA World Cup?

A: Conny Torstensson

Problem: Which Soviet sniper and a Hero of the Soviet Union during World War II became the source material for a character from "Enemy at the Gates?"

A: Vasily Zaytsev

Problem: What is a borough in Lehigh County, Pennsylvania located 20 miles north of a city in Lehigh and Northampton counties in the Lehigh Valley region of the eastern portion of the U.S. state of Pennsylvania?

A: Slatington

Problem: What pornographic star is a member of the XRCO Hall of Fame and co-hosted the 13th AVN Awards Ceremony?

A:
Julia Ann