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_31 (year_born INTEGER, position VARCHAR, player VARCHAR)
### Question:
When was tony parker (guard) born?
### Answer:
SELECT MAX(year_born) FROM table_name_31 WHERE position = "guard" AND player = "tony parker"