CREATE TABLE table_15494 ("Club" TEXT, "Played" TEXT, "Drawn" TEXT, "Lost" TEXT, "Points for" TEXT, "Points against" TEXT, "Points" TEXT)

How many matches have Rhymney RFC played?
SELECT "Played" FROM table_15494 WHERE "Club" = 'rhymney rfc'
SELECT "Played" FROM "table_15494" WHERE "Club" = 'rhymney rfc'