What Academic AO has a President of harm van leeuwen?
CREATE TABLE table_name_20 (academic_ao VARCHAR, president VARCHAR)
SELECT academic_ao FROM table_name_20 WHERE president = "harm van leeuwen"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_20 (academic_ao VARCHAR, president VARCHAR) Question: What Academic AO has a President of harm van leeuwen? [/INST] SELECT academic_ao FROM table_name_20 WHERE president = "harm van leeuwen" </s>