Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_81 (lijsttrekker VARCHAR, cabinet VARCHAR, fractievoorzitter VARCHAR)
### Question:
What is Lijsttrekker, when Cabinet is "Hans Van Mierlo", and when Fractievoorzitter is "Thom De Graaf"?
### Answer:
SELECT lijsttrekker FROM table_name_81 WHERE cabinet = "hans van mierlo" AND fractievoorzitter = "thom de graaf"