CREATE TABLE table_12636 ("Clubs" TEXT, "Seasons at this level" TEXT, "Settlements" TEXT, "Season joined league" TEXT, "Position in 1960/1961" TEXT)

What position did the Belenenses club occupy in 1960/61?
SELECT "Position in 1960/1961" FROM table_12636 WHERE "Clubs" = 'belenenses'
SELECT "Position in 1960/1961" FROM "table_12636" WHERE "Clubs" = 'belenenses'