This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.

[Q]: The two largest metropolitan areas have subway systems: Lisbon Metro and Metro Sul do Tejo in the Lisbon Metropolitan Area and Porto Metro in the Porto Metropolitan Area, each with more than 35 km (22 mi) of lines. In Portugal, Lisbon tram services have been supplied by the Companhia de Carris de Ferro de Lisboa (Carris), for over a century. In Porto, a tram network, of which only a tourist line on the shores of the Douro remain, began construction on 12 September 1895 (a first for the Iberian Peninsula). All major cities and towns have their own local urban transport network, as well as taxi services.
[A]: What are the two subway systems in Portugal?

[Q]: Imperial College Boat Club
The Imperial College Boat Club was founded on 12 December 1919. The Gold medal winning GB 8+ at the 2000 Sydney Olympics had been based at Imperial College's recently refurbished boathouse and included 3 alumni of the college along with their coach Martin McElroy. The club has been highly successful, with many wins at Henley Royal Regatta including most recently in 2013 with victory in The Prince Albert Challenge Cup event. The club has been home to numerous National Squad oarsmen and women and is open to all rowers not just students of Imperial College London.
[A]: Which day was the Imperial College Boat Club formed on?

[Q]: Plymouth's gross value added (a measure of the size of its economy) was 5,169 million GBP in 2013 making up 25% of Devon's GVA. Its GVA per person was 19,943 and compared to the national average of 23,755, was 3,812 lower. Plymouth's unemployment rate was 7.0% in 2014 which was 2.0 points higher than the South West average and 0.8 points higher than the average for Great Britain (England, Wales and Scotland).
[A]:
What percentage of Devon's GVA does Plymouth comprise in 2013?