How many nationalities does Alex Nikolic come from?
CREATE TABLE table_2897457_7 (nationality VARCHAR, player VARCHAR)
SELECT COUNT(nationality) FROM table_2897457_7 WHERE player = "Alex Nikolic"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2897457_7 (nationality VARCHAR, player VARCHAR) Question: How many nationalities does Alex Nikolic come from? [/INST] SELECT COUNT(nationality) FROM table_2897457_7 WHERE player = "Alex Nikolic" </s>