CREATE TABLE ndecoreexcel_math_grade8 (year DECIMAL, state TEXT, all_students TEXT, average_scale_score DECIMAL)
CREATE TABLE finrev_fed_key_17 (state_code DECIMAL, state TEXT)
CREATE TABLE finrev_fed_17 (state_code DECIMAL, idcensus DECIMAL, school_district TEXT, nces_id TEXT, yr_data DECIMAL, t_fed_rev DECIMAL, c14 DECIMAL, c25 DECIMAL)

What is the average match score of CA?
SELECT average_scale_score FROM ndecoreexcel_math_grade8 WHERE state = "California"
SELECT "average_scale_score" FROM "ndecoreexcel_math_grade8" WHERE "California" = "state"