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_1590652_4 (no INTEGER, tournament VARCHAR)
### Question:
Name the most number when tournament is madrid masters
### Answer:
SELECT MAX(no) FROM table_1590652_4 WHERE tournament = "Madrid Masters"