How many winners have a runner-up of A. Karthikeyan?
CREATE TABLE table_22753439_1 (winner VARCHAR, runner_up_a VARCHAR)
SELECT COUNT(winner) FROM table_22753439_1 WHERE runner_up_a = "A. Karthikeyan"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_22753439_1 (winner VARCHAR, runner_up_a VARCHAR) Question: How many winners have a runner-up of A. Karthikeyan? [/INST] SELECT COUNT(winner) FROM table_22753439_1 WHERE runner_up_a = "A. Karthikeyan" </s>