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_81 (Id VARCHAR)
### Question:
What was the 1987 result for the tournament with 1986 result of 3R and 1989 of A?
### Answer:
SELECT 1987 FROM table_name_81 WHERE 1989 = "a" AND 1986 = "3r"