What Social AO has a President of harm van leeuwen?
CREATE TABLE table_name_68 (social_ao VARCHAR, president VARCHAR)
SELECT social_ao FROM table_name_68 WHERE president = "harm van leeuwen"
### Context: CREATE TABLE table_name_68 (social_ao VARCHAR, president VARCHAR) ### Question: What Social AO has a President of harm van leeuwen? ### Answer: SELECT social_ao FROM table_name_68 WHERE president = "harm van leeuwen"