What is the name of the player who played in 2009 only?
CREATE TABLE table_12321870_32 (player_name VARCHAR, period VARCHAR)
SELECT player_name FROM table_12321870_32 WHERE period = "2009"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_12321870_32 (player_name VARCHAR, period VARCHAR) Question: What is the name of the player who played in 2009 only? [/INST] SELECT player_name FROM table_12321870_32 WHERE period = "2009" </s>