context: The 1978 Constitution divides Spain into seventeen autonomous regions (). Territorialization is based on historical kingdoms on the one hand and on other administrative units such as provinces (for example, La Rioja). All Autonomous Communities have their own flag and electoral bodies, such as Parliament. In the Spanish model of autonomy, the level of autonomy varies from region to region. The Basque Country and Navarre collect their own taxes (), while other Autonomous Communities are taxed by the central government.
question: How many autonomous regions are there in Spain?
answers.text: The 1978 Constitution divides Spain into seventeen autonomous regions