CREATE TABLE table_22884 ("Performer" TEXT, "Performances" FLOAT, "Category" TEXT, "First performance" TEXT, "Last performance" TEXT)

what is the last performance of leon varkas category:articles with hcards
SELECT "Last performance" FROM table_22884 WHERE "Performer" = 'Leon Varkas Category:Articles with hCards'
SELECT "Last performance" FROM "table_22884" WHERE "Performer" = 'Leon Varkas Category:Articles with hCards'