CREATE TABLE table_33361 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

Who is the home team at Victoria Park on 20 April 1957?
SELECT "Home team" FROM table_33361 WHERE "Date" = '20 april 1957' AND "Venue" = 'victoria park'
SELECT "Home team" FROM "table_33361" WHERE "Date" = '20 april 1957' AND "Venue" = 'victoria park'