How many nationalities does athlete Casey Jacobsen have?
CREATE TABLE table_16494599_10 (nationality VARCHAR, player VARCHAR)
SELECT COUNT(nationality) FROM table_16494599_10 WHERE player = "Casey Jacobsen"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_16494599_10 (nationality VARCHAR, player VARCHAR) Question: How many nationalities does athlete Casey Jacobsen have? [/INST] SELECT COUNT(nationality) FROM table_16494599_10 WHERE player = "Casey Jacobsen" </s>