Question: 上一次华盛顿州西雅图发生地震是什么时候
Answer: 2001; 2001; 2001-02-28; 02 28 2001; 02/28/2001; 28-02-2001; 2001 february, 28; 2001 2月 28; 2001-02-28; 28/02/2001; 02-28-2001; 28 02 2001; 28 2月 2001; 2001 02 28