CREATE TABLE table_55656 ("Player" CLOB, "Pos." CLOB, "From" FLOAT, "School/Country" CLOB, "Rebs" FLOAT, "Asts" FLOAT)

What's the average rebs before 1972?
SELECT AVG("Rebs") FROM table_55656 WHERE "From" < '1972'
SELECT AVG("Rebs") FROM "table_55656" WHERE "From" < '1972'