CREATE TABLE table_50117 ("Points" FLOAT, "Score" TEXT, "Premiers" TEXT, "Runners Up" TEXT, "Details" TEXT)

What's the total number of points scored during the 1951 NSWRFL Grand Final?
SELECT COUNT("Points") FROM table_50117 WHERE "Details" = '1951 nswrfl grand final'
SELECT COUNT("Points") FROM "table_50117" WHERE "Details" = '1951 nswrfl grand final'