CREATE TABLE table_64234 ("Debut year" FLOAT, "Player" TEXT, "Games" FLOAT, "Goals" FLOAT, "Years at club" TEXT)

How many debut years have Years at club of 1950 1951, and Games larger than 14?
SELECT SUM("Debut year") FROM table_64234 WHERE "Years at club" = '1950–1951' AND "Games" > '14'
SELECT SUM("Debut year") FROM "table_64234" WHERE "Games" > '14' AND "Years at club" = '1950–1951'