CREATE TABLE table_61960 ("President" TEXT, "Treasurer" TEXT, "Secretary" TEXT, "Social AO" TEXT, "Academic AO" TEXT, "Internal CO" TEXT, "External CO" TEXT)

What Academic AO has a President of harm van leeuwen?
SELECT "Academic AO" FROM table_61960 WHERE "President" = 'harm van leeuwen'
SELECT "Academic AO" FROM "table_61960" WHERE "President" = 'harm van leeuwen'