CREATE TABLE table_22804 ("Club" TEXT, "Position in 2012\\u201313" TEXT, "First season in top division" TEXT, "Number of seasons in top division" FLOAT, "First season of current spell in top division" TEXT, "Top division titles" FLOAT, "Last top division title" TEXT)

when did the club Citizen achieve its last top division title?
SELECT "Last top division title" FROM table_22804 WHERE "Club" = 'Citizen'
SELECT "Last top division title" FROM "table_22804" WHERE "Club" = 'Citizen'