CREATE TABLE table_15495 ("Club" TEXT, "Played" TEXT, "Drawn" TEXT, "Lost" TEXT, "Points for" TEXT, "Points against" TEXT, "Points" TEXT)

How many losses does Abercarn RFC have?
SELECT "Lost" FROM table_15495 WHERE "Club" = 'abercarn rfc'
SELECT "Lost" FROM "table_15495" WHERE "Club" = 'abercarn rfc'