Which Nationality has a Position of defense, and a Player of nikita korovkin?
CREATE TABLE table_name_51 (nationality VARCHAR, position VARCHAR, player VARCHAR)
SELECT nationality FROM table_name_51 WHERE position = "defense" AND player = "nikita korovkin"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_51 (nationality VARCHAR, position VARCHAR, player VARCHAR) Question: Which Nationality has a Position of defense, and a Player of nikita korovkin? [/INST] SELECT nationality FROM table_name_51 WHERE position = "defense" AND player = "nikita korovkin" </s>