What was the combined weight in kilograms of the horses in the race at Chelmsford stakes?
CREATE TABLE table_name_42 (weight__kg_ VARCHAR, race VARCHAR)
SELECT COUNT(weight__kg_) FROM table_name_42 WHERE race = "chelmsford stakes"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_42 (weight__kg_ VARCHAR, race VARCHAR) Question: What was the combined weight in kilograms of the horses in the race at Chelmsford stakes? [/INST] SELECT COUNT(weight__kg_) FROM table_name_42 WHERE race = "chelmsford stakes" </s>