CREATE TABLE table_49957 ("Season" FLOAT, "Date" TEXT, "Home team" TEXT, "Score" TEXT, "Away team" TEXT, "Venue" TEXT, "Competition round" TEXT)

What is the venue of season 1983, which had alianza lima as the home team?
SELECT "Venue" FROM table_49957 WHERE "Home team" = 'alianza lima' AND "Season" = '1983'
SELECT "Venue" FROM "table_49957" WHERE "Home team" = 'alianza lima' AND "Season" = '1983'