What is the comment's rating score of the post which was created on 7/19/2010 7:19:56 PM
created on 7/19/2010 7:19:56 PM refers to CreationDate = '2010-07-19 19:19:56.0'
SELECT T1.Score FROM comments AS T1 INNER JOIN posts AS T2 ON T1.PostId = T2.Id WHERE T1.CreationDate = '2010-07-19 19:19:56.0'