CREATE TABLE table_name_95 (Id VARCHAR2)

What is the 1989 result for the tournament that had a 1983 and 1987 result of A?
SELECT 1989 FROM table_name_95 WHERE 1983 = "a" AND 1987 = "a"
SELECT 1989 FROM "table_name_95" WHERE "a" = 1983 AND "a" = 1987