CREATE TABLE table_47848 ("Date" TEXT, "Venue" TEXT, "Result" TEXT, "Scored" FLOAT, "Competition" TEXT)

How many times did Sham Kwok Fai score in the game that was played on 22 February 2006?
SELECT SUM("Scored") FROM table_47848 WHERE "Date" = '22 february 2006'
SELECT SUM("Scored") FROM "table_47848" WHERE "Date" = '22 february 2006'