CREATE TABLE table_15312 ("Club" TEXT, "Played" TEXT, "Drawn" TEXT, "Lost" TEXT, "Points for" TEXT, "Points against" TEXT, "Tries for" TEXT, "Tries against" TEXT, "Try bonus" TEXT)

What is senghenydd rfc's points for?
SELECT "Points for" FROM table_15312 WHERE "Club" = 'senghenydd rfc'
SELECT "Points for" FROM "table_15312" WHERE "Club" = 'senghenydd rfc'