CREATE TABLE table_5812 ("Rank" FLOAT, "Player" TEXT, "Country" TEXT, "Earnings  (  $  ) " FLOAT, "Wins" FLOAT)

What is the lowest earnings of Lee Trevino who has 28 wins?
SELECT MIN("Earnings ( $ )") FROM table_5812 WHERE "Wins" = '28' AND "Player" = 'lee trevino'
SELECT MIN("Earnings ( $ )") FROM "table_5812" WHERE "Player" = 'lee trevino' AND "Wins" = '28'