Table schema:
CREATE TABLE table_name_64 (Id VARCHAR)

Question: What is 1982, when 1978 is "A", when 1985 is "4R", and when 1991 is "1R"?
SQL: SELECT 1982 FROM table_name_64 WHERE 1978 = "a" AND 1985 = "4r" AND 1991 = "1r"