What is the average match score of CA?
CREATE TABLE finrev_fed_key_17 (
    state_code number,
    state text,
    #_records text
)

CREATE TABLE finrev_fed_17 (
    state_code number,
    idcensus number,
    school_district text,
    nces_id text,
    yr_data number,
    t_fed_rev number,
    c14 number,
    c25 number
)

CREATE TABLE ndecoreexcel_math_grade8 (
    year number,
    state text,
    all_students text,
    average_scale_score number
)
SELECT average_scale_score FROM ndecoreexcel_math_grade8 WHERE state = "California"
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 average match score of CA? ### Input: CREATE TABLE finrev_fed_key_17 (
    state_code number,
    state text,
    #_records text
)

CREATE TABLE finrev_fed_17 (
    state_code number,
    idcensus number,
    school_district text,
    nces_id text,
    yr_data number,
    t_fed_rev number,
    c14 number,
    c25 number
)

CREATE TABLE ndecoreexcel_math_grade8 (
    year number,
    state text,
    all_students text,
    average_scale_score number
) ### Response: SELECT average_scale_score FROM ndecoreexcel_math_grade8 WHERE state = "California"