CREATE TABLE table_21850 ("Club" CLOB, "Played" CLOB, "Won" CLOB, "Drawn" CLOB, "Lost" CLOB, "Points for" CLOB, "Points against" CLOB, "Tries for" CLOB, "Tries against" CLOB, "Try bonus" CLOB, "Losing bonus" CLOB, "Points" CLOB)

How many points categories are there when the losing bonus is 2 and points for are 642?
SELECT COUNT("Points") FROM table_21850 WHERE "Losing bonus" = '2' AND "Points for" = '642'
SELECT COUNT("Points") FROM "table_21850" WHERE "Losing bonus" = '2' AND "Points for" = '642'