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CREATE TABLE table_20391799_1 (withdrawn INTEGER, ltsr_no VARCHAR)
### Question:
Name the most withdrawn for 37 lstr no.
### Answer:
SELECT MAX(withdrawn) FROM table_20391799_1 WHERE ltsr_no = 37