CREATE TABLE table_24172157_3 (incoming_manager VARCHAR2, outgoing_manager VARCHAR2, team VARCHAR2)

How many incoming managers were there after Roy Hodgson left the position for the Fulham team?
SELECT COUNT(incoming_manager) FROM table_24172157_3 WHERE outgoing_manager = "Roy Hodgson" AND team = "Fulham"
SELECT COUNT("incoming_manager") FROM "table_24172157_3" WHERE "Fulham" = "team" AND "Roy Hodgson" = "outgoing_manager"