What is the entry for weight in kilograms of jockey D. Nikolic?
CREATE TABLE table_15926991_1 (weight__kg_ VARCHAR, jockey VARCHAR)
SELECT weight__kg_ FROM table_15926991_1 WHERE jockey = "D. Nikolic"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15926991_1 (weight__kg_ VARCHAR, jockey VARCHAR) Question: What is the entry for weight in kilograms of jockey D. Nikolic? [/INST] SELECT weight__kg_ FROM table_15926991_1 WHERE jockey = "D. Nikolic" </s>