What was the weight of the jockey at Sandown Park? 
CREATE TABLE table_24850630_4 (weight VARCHAR, venue VARCHAR)
SELECT weight FROM table_24850630_4 WHERE venue = "Sandown Park"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_24850630_4 (weight VARCHAR, venue VARCHAR) Question: What was the weight of the jockey at Sandown Park?  [/INST] SELECT weight FROM table_24850630_4 WHERE venue = "Sandown Park" </s>