How many tips has Michelle written in 2010
SELECT COUNT ( DISTINCT t1.text ) FROM USER AS t2 JOIN tip AS t1 ON t2.user_id  =  t1.user_id WHERE t1.year  =  2010 AND t2.name  =  "Michelle";
SELECT COUNT ( DISTINCT t1.text ) FROM USER AS t2 JOIN tip AS t1 ON t2.user_id  =  t1.user_id WHERE t1.year  =  2010 AND t2.name  =  "Michelle";
[{'COUNT ( DISTINCT t1.text )': 0}]