CREATE TABLE table_70772 ("Year" FLOAT, "Points" TEXT, "Rebounds" TEXT, "Assists" TEXT, "Steals" TEXT, "Blocks" TEXT)

What was the 1st Year Al Harrington (9) the leader in Rebounds?
SELECT MIN("Year") FROM table_70772 WHERE "Rebounds" = 'al harrington (9)'
SELECT MIN("Year") FROM "table_70772" WHERE "Rebounds" = 'al harrington (9)'