Jerzy Andrzej Potz (February 1, 1953 - January 27, 2000) was a Polish ice hockey player.
 He played for the Poland men's national ice hockey team at the 1972 Winter Olympics in Sapporo, the 1976 Winter Olympics in Innsbruck, the 1980 Winter Olympics in Lake Placid, and the 1988 Winter Olympics in Calgary.
Freestyle skiing is one of the six skiing disciplines contested at the Winter Olympic Games, and one of the youngest.
 In 1924, the first Winter Olympics featured Nordic skiing disciplines (cross-country skiing, ski jumping, and Nordic combined), while alpine skiing was first contested in 1936.
 Only at the 1992 Winter Olympics, in Albertville, France, were freestyle skiing events first held as official medal events.
 Before that, freestyle skiing was contested at the 1988 Winter Olympics as a demonstration sport, consisting of events for both men and women in three variants: moguls, aerials and ski ballet.
 In Albertville, moguls was the first-ever official freestyle skiing medal event; aerials and ski ballet were also held but still as demonstration events.
 The growing popularity of aerials convinced the International Olympic Committee (IOC) to add this freestyle discipline to the 1994 Winter Olympics official program.
 Moguls and aerials have thus been contested at every Winter Games since.
 Ski cross inclusion in the Winter Olympics program was approved at an IOC Executive Board meeting in November 2006, and the first events were held at the 2010 Winter Olympics.
Ainhoa Ibarra Astellara (born 27 October 1968 in Guernica) is a Spanish (Basque) former alpine skier who competed in the 1988 Winter Olympics, in the 1992 Winter Olympics, in the 1994 Winter Olympics, and in the 1998 Winter Olympics.
Susan Auch (born March 1, 1966) is a speed skater who competed in several Winter Olympics games, winning the bronze in the 3000m relay at the 1988 Winter Olympics in Calgary, and the silver in the 500 m events at the 1994 Winter Olympics in Lillehammer, Norway and the 1998 games at Nagano, Japan.
 In 1999, Auch announced her retirement from competition, but changed her mind and competed in a fifth Winter Olympics, the 2002 games at Salt Lake City, but failed to win a medal; afterwards, she again announced her retirement.
Alberta ( ) is a western province of Canada.
 With an estimated population of 4,067,175 as of 2016 census, it is Canada's fourth-most populous province and the most populous of Canada's three prairie provinces.
 Its area is about 660,000 km2 .
 Alberta and its neighbour Saskatchewan were districts of the Northwest Territories until they were established as provinces on September 1, 1905.
 The premier has been Rachel Notley since May 2015.
For the 1988 Winter Olympics in Calgary, Alberta, Canada, a total of nine sports venues were used.
 Calgary tried twice to host the Winter Olympics in the 1960s without success before finally winning the 1988 Winter Games in 1981.
 Stampede Corral was built in 1950 while McMahon Stadium was built in 1960.
 When the National Hockey League (NHL) Flames franchise was relocated from Atlanta, Georgia in the United States during the summer of 1980, a new arena was needed.
 The Saddledome construction was underway in late 1981 when Calgary was awarded the 1988 Games.
 Completed in 1983, the Olympic (Scotiabank since October 2010) Saddledome has played host to the Flames ever since, including three Stanley Cup Finals (championship in 1989) and the NHL All-Star Game in 1985.
 An innovation for the games was the first indoor long-track speed skating venue which has served as a model for future Olympics.
 The bobsleigh and luge track was the first combination track in North America and was noted for the Jamaican bobsleigh team crash during the four-man event.
 Both the Oval and the bobsleigh/luge (now bobsleigh/luge/skeleton) track continue to host the World Championships in their respective sports since the 1988 Winter Olympics.
Canada hosted and participated in the 2010 Winter Olympics in Vancouver, British Columbia.
 Canada previously hosted the 1976 Summer Olympics in Montreal and the 1988 Winter Olympics in Calgary.
 Canada sent a team of 206 athletes (116 men, 90 women), including participants in all 15 sports, and finished with 14 gold medals and 26 in total (ranking 1st and 3rd respectively), surpassing their previous best medal performance at the 2006 Winter Olympics.
 The 14 gold medals also set the all-time record for most gold medals at a single Winter Olympics, one more than the previous record of 13 set by the former Soviet Union in 1976 and Norway in 2002.
 Canada was the first host nation to win the gold medal count at a Winter Olympics since Norway at the 1952 Winter Olympics.
Angela Schmidt-Foster (born 6 January 1960) is a Canadian former cross-country skier who competed in the 1980 Winter Olympics, in the 1984 Winter Olympics, in the 1988 Winter Olympics, and in the 1992 Winter Olympics.
The 2010 Winter Olympics, officially known as the XXI Olympic Winter Games (French: Les "XXIes Jeux olympiques d'hiver") and commonly known as Vancouver 2010, informally the 21st Winter Olympics, were a major international multi-sport event held from February 12 to 28, 2010, in Vancouver, Canada, with some events held in the surrounding suburbs of Richmond, West Vancouver and the University Endowment Lands, and in the nearby resort town of Whistler.
 Approximately 2,600 athletes from 82 nations participated in 86 events in fifteen disciplines.
 Both the Olympic and Paralympic Games were organized by the Vancouver Organizing Committee (VANOC), headed by John Furlong.
 The 2010 Winter Olympics were the third Olympics hosted by Canada and the first by the province of British Columbia.
 Previously, Canada hosted the 1976 Summer Olympics in Montreal, Quebec, and the 1988 Winter Olympics in Calgary, Alberta.
 Vancouver is the largest city to host the Winter Olympics, a title soon to be turned over to Beijing in 2022.
Italy competed at the 1988 Winter Olympics in Calgary, Alberta, Canada, winning 2 gold, 1 silver and 2 bronze medals.

Question: What country did the 1988 Winter Olympics take place?
Answer: Canada