CREATE TABLE table_25609 ("Season" TEXT, "Name" TEXT, "Teams" FLOAT, "Relegated to League" TEXT, "Promoted to League" TEXT, "Promoted from League" TEXT, "Relegated from League" TEXT)

Name the number of names for exeter chiefs
SELECT COUNT("Name") FROM table_25609 WHERE "Promoted from League" = 'Exeter Chiefs'
SELECT COUNT("Name") FROM "table_25609" WHERE "Promoted from League" = 'Exeter Chiefs'