CREATE TABLE player_award_vote (award_id TEXT, year DECIMAL, league_id TEXT, player_id TEXT, points_won DECIMAL, points_max DECIMAL, votes_first TEXT)
CREATE TABLE player (player_id TEXT, birth_year TEXT, birth_month TEXT, birth_day TEXT, birth_country TEXT, birth_state TEXT, birth_city TEXT, death_year TEXT, death_month TEXT, death_day TEXT, death_country TEXT, death_state TEXT, death_city TEXT, name_first TEXT, name_last TEXT, name_given TEXT, weight TEXT)
CREATE TABLE player_award (player_id TEXT, award_id TEXT, year DECIMAL, league_id TEXT, tie TEXT, notes TEXT)
CREATE TABLE salary (year DECIMAL, team_id TEXT, league_id TEXT, player_id TEXT, salary DECIMAL)
CREATE TABLE hall_of_fame (player_id TEXT, yearid DECIMAL, votedby TEXT, ballots TEXT, needed TEXT, votes TEXT, inducted TEXT, category TEXT, needed_note TEXT)

How much points were received by the NL league's most valuable player winner in 1990?
SELECT T2.points_won FROM player_award AS T1 JOIN player_award_vote AS T2 ON T1.player_id = T2.player_id WHERE T1.league_id = "NL" AND T1.award_id = "Most Valuable Player" AND T1.year = "1990" AND T2.league_id = "NL" AND T2.year = "1990"
SELECT "T2"."points_won" FROM "player_award" AS "T1" JOIN "player_award_vote" AS "T2" ON "1990" = "T2"."year" AND "NL" = "T2"."league_id" AND "T1"."player_id" = "T2"."player_id" WHERE "1990" = "T1"."year" AND "Most Valuable Player" = "T1"."award_id" AND "NL" = "T1"."league_id"