How many performers joined the Winter Olympics opening ceremony? [originaltext]A

A crowd of some 35,000, including U.S.First Lady Laura Bush and Italian film legend Sophia Loren, filled the Olympic Stadium.More than 4, 700 performers, including fast moving skaters with fiery rocket packs, dancers and even dancing cows opened the festivities.Some 2, 600 athletes from more than 80 countries and territories marched into the stadium accompanied by American pop music from the 1970s and 1980s.