CREATE TABLE table_61832 ("Seat" FLOAT, "Season 1" TEXT, "Season 2" TEXT, "Season 3" TEXT, "Season 6" TEXT, "Season 7" TEXT)

Which Seat has a Season 6 of kevin o'leary?
SELECT MAX("Seat") FROM table_61832 WHERE "Season 6" = 'kevin o''leary'
SELECT MAX("Seat") FROM "table_61832" WHERE "Season 6" = 'kevin o\'leary'