CREATE TABLE table_38701 ("Stage" TEXT, "Stage winner" TEXT, "General classification" TEXT, "Points classification" TEXT, "Mountains classification" TEXT, "Malaysian rider classification" TEXT, "Team classification" TEXT)

Which stage had tabriz petrochemical team in the team classification?
SELECT "Stage" FROM table_38701 WHERE "Team classification" = 'tabriz petrochemical team'
SELECT "Stage" FROM "table_38701" WHERE "Team classification" = 'tabriz petrochemical team'