CREATE TABLE table_15790 ("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)

What is the try bonus for ynysybwl rfc?
SELECT "Try bonus" FROM table_15790 WHERE "Club" = 'ynysybwl rfc'
SELECT "Try bonus" FROM "table_15790" WHERE "Club" = 'ynysybwl rfc'