context: Rial (Persian: ریال; ISO 4217 IRR code) is the official Iranian currency issued by the Central Bank of the Islamic Republic of Iran. Rial comes from the Spanish estate, which has been the currency of Spain for several centuries (derived from regalis [regal] in Latin). One rial is divided into 100 dinars.
question: What currency is used in Iran?
answers.text: Rial