CREATE TABLE table_18964 ("Club" TEXT, "Played" TEXT, "Won" TEXT, "Drawn" TEXT, "Lost" TEXT, "Points for" TEXT, "Points against" TEXT, "Tries for" TEXT, "Tries against" TEXT, "Try bonus" TEXT, "Losing bonus" TEXT, "Points" TEXT)

How many tries where points is 77?
SELECT "Tries for" FROM table_18964 WHERE "Points" = '77'
SELECT "Tries for" FROM "table_18964" WHERE "Points" = '77'