Name the number of reason for change on may 11, 1939
CREATE TABLE table_2160008_4 (reason_for_change VARCHAR, date_successor_seated VARCHAR)
SELECT COUNT(reason_for_change) FROM table_2160008_4 WHERE date_successor_seated = "May 11, 1939"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2160008_4 (reason_for_change VARCHAR, date_successor_seated VARCHAR) Question: Name the number of reason for change on may 11, 1939 [/INST] SELECT COUNT(reason_for_change) FROM table_2160008_4 WHERE date_successor_seated = "May 11, 1939" </s>