What was the state (class) where the new successor was formally installed on May 11, 1966?
CREATE TABLE table_1847180_3 (state__class_ VARCHAR, date_of_successors_formal_installation VARCHAR)
SELECT state__class_ FROM table_1847180_3 WHERE date_of_successors_formal_installation = "May 11, 1966"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1847180_3 (state__class_ VARCHAR, date_of_successors_formal_installation VARCHAR) Question: What was the state (class) where the new successor was formally installed on May 11, 1966? [/INST] SELECT state__class_ FROM table_1847180_3 WHERE date_of_successors_formal_installation = "May 11, 1966" </s>