Q3:Fanny Blankers-Koen, Dutch track and field athlete, won four gold medals in the 1948 Olympic Games, becoming the heroine of those Olympics.How many world records did she break in her sports career?

• 问:荷兰女子田径选手布兰科尔斯-科恩1948年奥运会上获得四金，成为这届奥运会的英雄，请问在她的运动生涯中共打破多少次世界纪录？