What is the 1989 result of the tournament in which Katerina Maleeva finished 4r in 1991?
CREATE TABLE table_57434 (
    "Tournament" text,
    "1984" text,
    "1985" text,
    "1986" text,
    "1987" text,
    "1988" text,
    "1989" text,
    "1990" text,
    "1991" text,
    "1992" text,
    "1993" text,
    "1994" text,
    "1995" text,
    "1996" text,
    "1997" text
)
SELECT "1989" FROM table_57434 WHERE "1991" = '4r'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the 1989 result of the tournament in which Katerina Maleeva finished 4r in 1991? ### Input: CREATE TABLE table_57434 (
    "Tournament" text,
    "1984" text,
    "1985" text,
    "1986" text,
    "1987" text,
    "1988" text,
    "1989" text,
    "1990" text,
    "1991" text,
    "1992" text,
    "1993" text,
    "1994" text,
    "1995" text,
    "1996" text,
    "1997" text
) ### Response: SELECT "1989" FROM table_57434 WHERE "1991" = '4r'