CREATE TABLE table_225099_3 (date_of_successors_formal_installation VARCHAR, successor VARCHAR)

How many entries are shown for date of successors formal installation where successor is john w. walker (dr)?
SELECT COUNT(date_of_successors_formal_installation) FROM table_225099_3 WHERE successor = "John W. Walker (DR)"
SELECT COUNT("date_of_successors_formal_installation") FROM "table_225099_3" WHERE "John W. Walker (DR)" = "successor"