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_256286_23 (meas_num INTEGER, description VARCHAR)
### Question:
What is the number of the tax supervising and conservation bill?
### Answer:
SELECT MIN(meas_num) FROM table_256286_23 WHERE description = "Tax Supervising and Conservation Bill"