How many different riders are there that won riding Omr Tsunami?
CREATE TABLE table_27833186_1 (rider_names VARCHAR, horse_name VARCHAR)
SELECT COUNT(rider_names) FROM table_27833186_1 WHERE horse_name = "OMR Tsunami"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_27833186_1 (rider_names VARCHAR, horse_name VARCHAR) Question: How many different riders are there that won riding Omr Tsunami? [/INST] SELECT COUNT(rider_names) FROM table_27833186_1 WHERE horse_name = "OMR Tsunami" </s>