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_90 (marriage VARCHAR, death VARCHAR)
### Question:
When was the marriage of the person who died on 17 December 1471?
### Answer:
SELECT marriage FROM table_name_90 WHERE death = "17 december 1471"