Name the state class for  iowa admitted to the union december 28, 1846
CREATE TABLE table_225205_3 (state__class_ VARCHAR, reason_for_change VARCHAR)
SELECT state__class_ FROM table_225205_3 WHERE reason_for_change = "Iowa admitted to the Union December 28, 1846"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_225205_3 (state__class_ VARCHAR, reason_for_change VARCHAR) Question: Name the state class for  iowa admitted to the union december 28, 1846 [/INST] SELECT state__class_ FROM table_225205_3 WHERE reason_for_change = "Iowa admitted to the Union December 28, 1846" </s>