TASK DEFINITION: In this task, you're given a passage, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both passage and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the passage or linked information.
PROBLEM: Passage: Medieval Krakow was surrounded by a 1.9 mile (3km) defensive wall complete with 46 towers and seven main entrances leading through them. The fortifications around the Old Town were erected over the course of two centuries. The current architectural plan of Stare Miastothe 13th-century merchants' townwas drawn up following the Tatar invasions of 1259 and 1287. It features the centrally located Rynek Gowny, or Main Square, the largest medieval town square of any European city. There is a number of historic landmarks in its vicinity, such as St. Mary's Basilica (Koscio Mariacki), Church of St. Wojciech (St. Adalbert's), Church of St. Barbara, as well as other national treasures. At the center of the plaza, surrounded by kamienice (row houses) and noble residences, stands the Renaissance cloth hall Sukiennice (currently housing gift shops, restaurants and merchant stalls) with the National Gallery of Art upstairs. It is flanked by the Town Hall Tower (Wieza ratuszowa).
Link Information: none Answer: none

SOLUTION: How large is the town square of Rynek Glowny?

PROBLEM: Passage: NSB Class 73 () is a class of 22 electric multiple units built by Adtranz for the Norwegian State Railways. The four-car trains were modifications of Class 71, which was again based on the Swedish X2. The A-series consists of 16 intercity trains; they were delivered in 1999 and 2000 and are used on the Bergen, Dovre and Srland Lines. The intercity service was branded as Signatur until 2003. The B-series consists of six regional trains delivered in 2002 and used on the stfold Line. The regional trains were originally part of the Agenda concept. The trains have a power output of and a maximum speed of . They have an overall length of and have a capacity for 208 seated passengers in the A-series and 250 in the B-series. The trains have a tilting mechanism allowing for faster travel through curves.
Link Information: The company was created in 1996 Answer: 1996

SOLUTION: When was the company that built NSB Class 73 established?

PROBLEM: Passage: Prior to 1947, Baltistan was part of the princely state of Jammu and Kashmir, having been conquered by Raja Gulab Singh's armies in 1840. Baltistan and Ladakh were administered jointly under one wazarat (district) of the state. Baltistan retained its identity in this set-up as the Skardu tehsil, with Kargil and Leh being the other two tehsils of the district. After the Maharaja of Jammu and Kashmir acceded to India, Gilgit Scouts overthrew the Maharaja's governor in Gilgit and captured Baltistan. The Gilgit Agency and Baltistan have been governed by Pakistan ever since. The Kashmir Valley and the Kargil and Leh tehsils were retained by India. A small portion of Baltistan, including the village of Turtuk in the Nubra Valley, was incorporated into Ladakh after the Indo-Pakistani War of 1971.
Link Information: none Answer: none

SOLUTION:
How much square mileage in total did India retain?