CREATE TABLE table_12972 ("Club" CLOB, "Played" 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)

What is Drawn, when Played is '18', and when Points Against is '478'?
SELECT "Drawn" FROM table_12972 WHERE "Played" = '18' AND "Points against" = '478'
SELECT "Drawn" FROM "table_12972" WHERE "Played" = '18' AND "Points against" = '478'