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"
### Context: CREATE TABLE table_15926991_1 (weight__kg_ VARCHAR, jockey VARCHAR) ### Question: What is the entry for weight in kilograms of jockey D. Nikolic? ### Answer: SELECT weight__kg_ FROM table_15926991_1 WHERE jockey = "D. Nikolic"