<s>[INST] The next text is a question of a member of the European parliament:"The ownership of real property, including houses, gardens and plots of land, and related issues such as the taxation of the owners are, in principle, the preserve of the national regulatory authorities.    Will the Commission, therefore, say:      —  what the tax situation is in regard to the owners of houses and plots of land in the individual Member States,      —  what European rules there are concerning the taxation of owners of houses and plots of land,      —  whether it monitors and verifies the individual Member States' tax arrangements, and      —  where I can obtain more detailed information on the tax situation in the Member States?"
Analyze carefully the text and assign it to the most relevant policy area among those listed below. Do not explain your answer and return only a number.
Policy area numbers: 1 = Macroeconomics
2 = Civil Rights, Minority Issues and Civil Liberties
3 = Health
4 = Agriculture and Fisheries
5 = Labour, employment and pensions
6 = Education
7 = Environment
8 = Energy
9 = Immigration
10 = Transportation
12 = Law and Crime
13 = Social welfare
14 = Regional and Urban issues and Planning
15 = Banking, finance and domestic commerce issues
16 = Defence
17 = Space, science, technology, and communications issues
18 = Foreign trade
19 = International affairs and foreign aid
20 = Governance and government
21 = Public Lands, Water Management and Territorial Issues
23 = Culture and media
[/INST]. Answer = [1]. </s>
The ownership of real property, including houses, gardens and plots of land, and related issues such as the taxation of the owners are, in principle, the preserve of the national regulatory authorities.    Will the Commission, therefore, say:      —  what the tax situation is in regard to the owners of houses and plots of land in the individual Member States,      —  what European rules there are concerning the taxation of owners of houses and plots of land,      —  whether it monitors and verifies the individual Member States' tax arrangements, and      —  where I can obtain more detailed information on the tax situation in the Member States?