What is the highest score for candidate Mohsen Rezaee when  candidate mir-hossein mousavi  scored 837858 votes?
CREATE TABLE table_23390604_1 (mohsen_rezaee INTEGER, mir_hossein_mousavi VARCHAR)
SELECT MAX(mohsen_rezaee) FROM table_23390604_1 WHERE mir_hossein_mousavi = 837858
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_23390604_1 (mohsen_rezaee INTEGER, mir_hossein_mousavi VARCHAR) Question: What is the highest score for candidate Mohsen Rezaee when  candidate mir-hossein mousavi  scored 837858 votes? [/INST] SELECT MAX(mohsen_rezaee) FROM table_23390604_1 WHERE mir_hossein_mousavi = 837858 </s>