CREATE TABLE table_name_81 (Id VARCHAR2)

Which 1989's 1991 and 1994 stats were 1r?
SELECT 1989 FROM table_name_81 WHERE 1991 = "1r" AND 1994 = "1r"
SELECT 1989 FROM "table_name_81" WHERE "1r" = 1991 AND "1r" = 1994