What's the size of Centerville in 89 Wayne county with an IHSAA class of AA in the year before 1974?
CREATE TABLE table_name_61 (
    size VARCHAR,
    school VARCHAR,
    _number___county VARCHAR,
    year_joined VARCHAR,
    ihsaa_class VARCHAR
)
SELECT size FROM table_name_61 WHERE year_joined < 1974 AND ihsaa_class = "aa" AND _number___county = "89 wayne" AND school = "centerville"
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's the size of Centerville in 89 Wayne county with an IHSAA class of AA in the year before 1974? ### Input: CREATE TABLE table_name_61 (
    size VARCHAR,
    school VARCHAR,
    _number___county VARCHAR,
    year_joined VARCHAR,
    ihsaa_class VARCHAR
) ### Response: SELECT size FROM table_name_61 WHERE year_joined < 1974 AND ihsaa_class = "aa" AND _number___county = "89 wayne" AND school = "centerville"