CREATE TABLE table_71377 ("Club" TEXT, "Played" TEXT, "Drawn" TEXT, "Lost" TEXT, "Points for" TEXT, "Points against" TEXT, "Tries for" TEXT, "Tries against" TEXT, "Try bonus" TEXT, "Losing bonus" TEXT, "Points" TEXT)

Name the points against when tries against is 51 and points is 52 with played of 22
SELECT "Points against" FROM table_71377 WHERE "Played" = '22' AND "Points" = '52' AND "Tries against" = '51'
SELECT "Points against" FROM "table_71377" WHERE "Played" = '22' AND "Points" = '52' AND "Tries against" = '51'