Question: 圣路易斯的拱门是什么时候建的
Answer: 1963-02-12; 02 12 1963; 1963-02-12; 1963 02 12; 1963 2月 12; 12/02/1963; 1963 february, 12; 12 02 1963; 02/12/1963; 12-02-1963; 12 2月 1963; 02-12-1963