Which Philistine champion came from Gath, according to the first book of Samuel?

Which Swede chaired the board of Sweden's central bank in the 1940s and became UN secretary-general in 1953? Which gemstone's name is also used for a baseball infield? Chamonix, France, hosted the first of which Olympic Games in 1924? Will Ferrell played champion ice skater Chazz Michael Michaels in which film? Which actor played Chance the gardener in "Being There" and died in London in 1980? West German chancellor Helmut Schmidt earned which German military decoration during World War II? Which Chancellor of the Exchequer succeeded Anthony Eden as British prime minister in 1957? Which singer had a No. 1 hit in 1957 with "Chances Are"?