CREATE TABLE table_203_622 (id DECIMAL, "date" TEXT, "team" TEXT, "name" TEXT, "position" TEXT, "years in nba" DECIMAL, "notes" TEXT)

how many years in the nba did mark madsen play ?
SELECT "years in nba" FROM table_203_622 WHERE "name" = 'mark madsen'
SELECT "years in nba" FROM "table_203_622" WHERE "name" = 'mark madsen'