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

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" "T1" JOIN "player_award_vote" "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"