CREATE TABLE table_73290 ("Type of Record" TEXT, "Attendance" TEXT, "Date/Year" TEXT, "Stadium" TEXT, "Result/Games" TEXT)

What was the stadium that had the regular season game?
SELECT "Stadium" FROM table_73290 WHERE "Type of Record" = 'Regular season game'
SELECT "Stadium" FROM "table_73290" WHERE "Type of Record" = 'Regular season game'