Question: When was the first railway line constructed between Kotri and the birthplace of Benazir Bhutto?

full_context: Document 1: Professional boxing: In contrast with amateur boxing, professional bouts are typically much longer and can last up to twelve rounds, though less significant fights can be as short as four rounds. Protective headgear is not permitted, and boxers are generally allowed to take substantial punishment before a fight is halted. Professional boxing has enjoyed a much higher profile than amateur boxing throughout the 20th century and beyond.
Document 2: Rokujizō Station: The oldest railway in this area is the Nara Line which has been operating since 1896, but the history of Rokujizō Station began with the opening of the Keihan line in 1913 because the Nara Line did not have its station in Rokujizō until 1992.
Document 3: Rail transport in India: The first proposals for railways in India were made in Madras in 1832. The first train in India ran from Red Hills to Chintadripet bridge in Madras in 1837. It was called Red Hill Railway. It was hauled by a rotary steam engine locomotive manufactured by William Avery. It was built by Sir Arthur Cotton. It was mainly used for transporting granite stones for road building work in Madras. In 1845, a railway was built at Dowleswaram in Rajahmundry. It was called Godavari Dam Construction Railway. It was also built by Arthur Cotton. It was used to supply stones for construction of a dam over Godavari. On May 8, 1845, Madras Railway was incorporated. In the same year East India Railway company was incorporated. On August 1, 1849, Great Indian Peninsular Railway was incorporated by an Act of Parliament. ``Guarantee System ''providing free land and guaranteed rates of return (5%) to the private English companies willing to work on building railways was finalized on August 17, 1849. In 1851, a railway was built in Roorkee. It was called Solani Aqueduct Railway. It was hauled by steam locomotive called Thomason, named after a British officer. It was used for transporting construction materials for building of aqueduct over Solani river. In 1852, the Madras Guaranteed Railway Company was incorporated.
Document 4: Imran Khan: During the 1990s, Khan also served as UNICEF's Special Representative for Sports and promoted health and immunisation programmes in Bangladesh, Pakistan, Sri Lanka and Thailand. While in London, he also works with the Lord's Taverners, a cricket charity. Khan focused his efforts solely on social work. By 1991, he had founded the Shaukat Khanum Memorial Trust, a charity organisation bearing the name of his mother, Mrs. Shaukat Khanum. As the Trust's maiden endeavour, Khan established Pakistan's first and only cancer hospital, constructed using donations and funds exceeding $25 million, raised by Khan from all over the world.On 27 April 2008, Khan established a technical college in the Mianwali District called Namal College. It was built by the Mianwali Development Trust (MDT), and is an associate college of the University of Bradford in December 2005. Imran Khan Foundation is another welfare work, which aims to assist needy people all over Pakistan. It has provided help to flood victims in Pakistan. Buksh Foundation has partnered with the Imran Khan Foundation to light up villages in Dera Ghazi Khan, Mianwali and Dera Ismail Khan under the project 'Lighting a Million Lives'. The campaign will establish several Solar Charging Stations in the selected off-grid villages and will provide villagers with solar lanterns, which can be regularly charged at the solar-charging stations.
Document 5: Haider Nawzad: He and his rowing partner, Hamza Hussein, qualified for the men's double sculls event at the 2008 Summer Olympics in Beijing through a Tripartite Commission invitation. They were last-minute qualifiers for the Beijing Games, obtaining a place when North Korea declined an invitation to send rowers, and the invitation was reallocated to Iraq. They are two of only four competitors on the 2008 Iraqi Olympic team. Nawzad and Hussein train on the Tigris river in central Baghdad. Nawzad was living in Sweden, but returned to Iraq to train for the Olympics.
Document 6: History of rail transport in India: The country's first passenger train, which ran between Bombay's Bori Bunder station and Thane on 16 April 1853, was dedicated by Lord Dalhousie. The 14 - carriage train was hauled by three steam locomotives: the Sahib, Sindh, and Sultan. Travelling 34 kilometres (21 mi), the train carried 400 people. The passenger line was built and operated by the Great Indian Peninsula Railway (GIPR). It was built in 1,676 mm (5 ft 6 in) broad gauge, which became the country's standard for railways.
Document 7: PTV Sports: PTV Sports is a Pakistani pay television sports channel owned by the Pakistan Television Corporation, Pakistan's state broadcaster. PTV Sports was launched on 14 January 2012. It retains exclusive broadcasting rights for many sporting events, including cricket, tennis, hockey and football.
Document 8: Somalis: In the martial arts, Faisal Jeylani Aweys and Mohamed Deq Abdulle also took home a silver medal and fourth place, respectively, at the 2013 Open World Taekwondo Challenge Cup in Tongeren. The Somali National Olympic committee has devised a special support program to ensure continued success in future tournaments. Additionally, Mohamed Jama has won both world and European titles in K1 and Thai Boxing.
Document 9: Anthony Joshua vs. Wladimir Klitschko: Anthony Joshua vs. Wladimir Klitschko was a professional boxing match contested between Anthony Joshua and Wladimir Klitschko. The event took place on 29 April 2017 at Wembley Stadium in London, England, with Joshua's IBF and the vacant WBA (Super) and IBO heavyweight titles on the line. Joshua won the match via technical knockout in the 11th round. Klitschko announced his retirement from boxing a few months after the fight.
Document 10: Kaunas railway station: After the Russian Empire lost the Crimean War, the importance of use of tactical use of modern inventions, as well as railways. In February 1851 the Government of Russia made a decision to build the Saint Petersburg – Warsaw Railway line. Starting from 1858 the line connecting Saint Petersburg and Warsaw was being built. In the territory of Lithuania, the construction of the railway section Daugavpils–Vilnius–Grodno including the branch Lentvaris–Kaunas–Kybartai (Virbalis) was started in spring 1859. The first railway stations in Lithuania were constructed on this line (21 stations): the super class stations in Lentvaris and Virbalis, as well as the first class stations in Kaunas and Vilnius. Due to the hilly and unfavorable for the direct rail passage terrain around Kaunas' centre, the Kaunas Railway Tunnel and largest in Lithuania railway bridge over the Nemunas river were constructed. On the 15 August 1861 the first train left Kaunas and reached Lentvaris. Kaunas railway station was officially opened on 21 February 1862. In 1944, the station was bombed by the withdrawing German army.
Document 11: Sind Club: The Sind Club is the oldest club located in Karachi, Sindh, Pakistan. It was started in 1871 as an exclusive gentlemen's club.
Document 12: Kotri Junction railway station: Kotri Junction station is among the oldest railway stations in Pakistan. It served as the northern terminus point of the Scinde Railway, which was established in March 1855. A railway line was to be constructed between Karachi and Kotri and work on the Karachi terminus commenced in April 1858. By 13 May 1861, the station opened to the public. This was the first railway line for public traffic between Karachi and Kotri, a distance of 108 miles (174 km).
Document 13: Naureen Zaim: Naureen Marie Zaim (born February 19, 1978) is an American model, actress, artist, and boxer. She is of mixed Irish and Pakistani descent. Her acting career includes roles in "Wedding Crashers", and athletic performances in "Perfect 10 Model Boxing". In mid-2004, Zaim was scouted by a photographer for 'model boxing' company Perfect 10 Model - a boxing competition for women with 'admirable' breasts. Although known for modeling, boxing, and acting, Naureen also holds two degrees in Fine Art for painting and glass-blowing. Her athleticism also transcends boxing to include fast-pitch softball, tennis, and pool.
Document 14: Liaquatabad railway station: Liaquatabad Railway Station () is an abandoned railway station on Karachi Circular Railway loop line in Sharifabad, neighborhoods of Liaquatabad Town in Karachi, Pakistan. This railway station used for KCR trains from 1969 to 1999.
Document 15: Shaheed Benazir Bhutto International Boxing Tournament: The Shaheed Benazir Bhutto International Boxing Tournament took place in the KPT Benazir Sports Complex in Karachi, Pakistan from 1–8 January 2010. Amir Khan, the professional British boxing world champion of was the guest in the final rounds of tournament.
ground_truth: April 1858
sub_queries: Benazir Bhutto >> place of birth Answer: Karachi
the first railway line between Karachi and kotri was constructed in Answer: April 1858