CREATE TABLE table_22881 ("Performer" TEXT, "Performances" FLOAT, "Category" TEXT, "First performance" TEXT, "Last performance" TEXT)

how many first performances where performer is wilfred engelman category:articles with hcards
SELECT COUNT("First performance") FROM table_22881 WHERE "Performer" = 'Wilfred Engelman Category:Articles with hCards'
SELECT COUNT("First performance") FROM "table_22881" WHERE "Performer" = 'Wilfred Engelman Category:Articles with hCards'