How many reasons for change were listed when Edward Hempstead was the successor?
CREATE TABLE table_225095_4 (reason_for_change VARCHAR, successor VARCHAR)
SELECT COUNT(reason_for_change) FROM table_225095_4 WHERE successor = "Edward Hempstead"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_225095_4 (reason_for_change VARCHAR, successor VARCHAR) Question: How many reasons for change were listed when Edward Hempstead was the successor? [/INST] SELECT COUNT(reason_for_change) FROM table_225095_4 WHERE successor = "Edward Hempstead" </s>