CREATE TABLE table_4281 ("Umpire" TEXT, "Country" TEXT, "Panel" TEXT, "Matches" FLOAT, "WC Matches" FLOAT, "2011 WC" FLOAT)

who was the umpire when the wc match was 10
SELECT "Umpire" FROM table_4281 WHERE "WC Matches" = '10'
SELECT "Umpire" FROM "table_4281" WHERE "WC Matches" = '10'