What is the latest episode number with the title of Jerusalem? 
CREATE TABLE table_19517621_4 (episode__number INTEGER, title VARCHAR)
SELECT MAX(episode__number) FROM table_19517621_4 WHERE title = "Jerusalem"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_19517621_4 (episode__number INTEGER, title VARCHAR) Question: What is the latest episode number with the title of Jerusalem?  [/INST] SELECT MAX(episode__number) FROM table_19517621_4 WHERE title = "Jerusalem" </s>