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_14903999_1 (year INTEGER, mixed_doubles VARCHAR)
### Question:
What was the last year árni þór hallgrímsson drífa harðardóttir won mixed doubles
### Answer:
SELECT MAX(year) FROM table_14903999_1 WHERE mixed_doubles = "Árni Þór Hallgrímsson Drífa Harðardóttir"