Here's a short story:

Madrid is the capital of Spain and the largest municipality in both the Community of Madrid and Spain as a whole. The city has almost 3.166 million inhabitants with a metropolitan area population of approximately 6.5 million. It is the third-largest city in the European Union (EU) after London and Berlin, and its metropolitan area is the third-largest in the EU after those of London and Paris. The municipality itself covers an area of . 

Madrid lies on the River Manzanares in the centre of both the country and the Community of Madrid (which comprises the city of Madrid, its conurbation and extended suburbs and villages); this community is bordered by the autonomous communities of Castile and León and Castile-La Mancha. As the capital city of Spain, seat of government, and residence of the Spanish monarch, Madrid is also the political, economic and cultural centre of the country. The current mayor is Manuela Carmena from Ahora Madrid. 

The Madrid urban agglomeration has the third-largest GDP in the European Union and its influences in politics, education, entertainment, environment, media, fashion, science, culture, and the arts all contribute to its status as one of the world's major global cities. Madrid is home to two world-famous football clubs, Real Madrid and Atlético de Madrid. Due to its economic output, high standard of living, and market size, Madrid is considered the major financial centre of Southern Europe and the Iberian Peninsula; it hosts the head offices of the vast majority of major Spanish companies, such as Telefónica, IAG or Repsol. Madrid is the 17th most liveable city in the world according to Monocle magazine, in its 2014 index. (End of story)

Provide your best guess for the following question. Give ONLY the guess, no other words or explanation.

For example:

Guess: <most likely guess, as short as possible; not a complete sentence, just the guess!>

Here are a few examples of questions and answers:

Question: What famous athletic clubs is Madrid home to?
Guess: Real Madrid and Atlético de Madrid

Question: What river is it on?
Guess: the River Manzanares

Question: What country is it the capital of?
Guess: Spain

Question: How many people are in its metropolitan area?
Guess: 6.5 million

Question: And in the city?
Guess: 3.166 million

Question: What other two cities are larger than it in the European Union?
Guess: London and Berlin

Question: What is it considered the major financial center of?
Guess: Southern Europe and the Iberian Peninsula

Question: What is one major Spanish company in the city?
Guess: Telefónica

Question: Who named it the 17th most liveable city?
Guess: Monocle magazine

Question: In what year?
Guess: 2014

Question: Whose the mayor now?
Guess: Manuela Carmena

Question: Where's he from?
Guess: Ahora Madrid.

Question: What does the municipality cover?
Guess: unknown

Question: What borders the Community of Madrid?
Guess: the autonomous communities of Castile and León and Castile-La Manch

Question: Does the Spanish monarch live in Madrid?
Guess: yes

Question: What does it have the third largest of in the European Union?
Guess: It is the third-largest city

Now answer the following question in the same format.

Question: What position does its GDP have in the European Union?

third