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_86 (latitude VARCHAR, year_named VARCHAR, name VARCHAR)
### Question:
What is the Latitude of the Alajen Vallis named after 1997?
### Answer:
SELECT latitude FROM table_name_86 WHERE year_named > 1997 AND name = "alajen vallis"