Question: when was the world trade center built in the state Tito visited when he saw the employer of Sinha Basnayake?

full_context: Document 1: Josip Broz Tito: Yugoslavia had a liberal travel policy permitting foreigners to freely travel through the country and its citizens to travel worldwide, whereas it was limited by most Communist countries. A number[quantify] of Yugoslav citizens worked throughout Western Europe. Tito met many world leaders during his rule, such as Soviet rulers Joseph Stalin, Nikita Khrushchev and Leonid Brezhnev; Egypt's Gamal Abdel Nasser, Indian politicians Jawaharlal Nehru and Indira Gandhi; British Prime Ministers Winston Churchill, James Callaghan and Margaret Thatcher; U.S. Presidents Dwight D. Eisenhower, John F. Kennedy, Richard Nixon, Gerald Ford and Jimmy Carter; other political leaders, dignitaries and heads of state that Tito met at least once in his lifetime included Che Guevara, Fidel Castro, Yasser Arafat, Willy Brandt, Helmut Schmidt, Georges Pompidou, Queen Elizabeth II, Hua Guofeng, Kim Il Sung, Sukarno, Sheikh Mujibur Rahman, Suharto, Idi Amin, Haile Selassie, Kenneth Kaunda, Gaddafi, Erich Honecker, Nicolae Ceaușescu, János Kádár and Urho Kekkonen. He also met numerous celebrities.
Document 2: Josip Broz Tito: One significant consequence of the tension arising between Yugoslavia and Soviet Union, was that Tito fought Yugoslav Stalinists with Stalin's methods. In other words, Aleksandar Ranković and the State Security Service (UBDA) employed the same inhumane methods against their opponents as Stalin did in the Soviet Union against his. Not every person accused of a political crime was convicted and nobody was sentenced to death for his or her pro-Soviet feelings. However this repression, which lasted until 1956, was marked by significant violations of human rights.
Document 3: World Trade Center (1973–2001): The original World Trade Center was a large complex of seven buildings in Lower Manhattan, New York City, United States. It featured the landmark twin towers, which opened on April 4, 1973, and were destroyed in 2001 during the September 11 attacks. At the time of their completion, the ``Twin Towers ''-- the original 1 World Trade Center, at 1,368 feet (417 m); and 2 World Trade Center, at 1,362 feet (415.1 m) -- were the tallest buildings in the world. Other buildings in the complex included the Marriott World Trade Center (3 WTC), 4 WTC, 5 WTC, 6 WTC, and 7 WTC. All were built between 1975 and 1985, with a cost of $400 million ($2,300,000,000 in 2014 dollars). The complex was located in New York City's Financial District and contained 13,400,000 square feet (1,240,000 m) of office space.
Document 4: World Trade Center (1973–2001): The cleanup and recovery process at the World Trade Center site took eight months, during which the remains of the other buildings were demolished. The World Trade Center complex was rebuilt over more than a decade. The site is being rebuilt with six new skyscrapers, while a memorial to those killed in the attacks and a new rapid transit hub have both opened. One World Trade Center, the tallest building in the United States, is the lead building for the new complex, reaching more than 100 stories upon completion in November 2014.
Document 5: World Trade Center (1973–2001): In March 1965, the Port Authority began acquiring property at the World Trade Center site. Demolition work began on March 21, 1966, to clear thirteen square blocks of low rise buildings in Radio Row for construction of the World Trade Center. Groundbreaking for the construction of the World Trade Center took place on August 5, 1966.
Document 6: Josip Broz Tito: Tito visited India from December 22, 1954 through January 8, 1955. After his return, he removed many restrictions on churches and spiritual institutions in Yugoslavia.
Document 7: World Trade Center (1973–2001): The core of the complex was built between 1975 and 1985, with a cost of $400 million (equivalent to $1.86 billion in 2016). The World Trade Center experienced a fire on February 13, 1975, a bombing on February 26, 1993, and a bank robbery on January 14, 1998. In 1998, the Port Authority decided to privatize the World Trade Center, leasing the buildings to a private company to manage, and awarded the lease to Silverstein Properties in July 2001.
Document 8: Josip Broz Tito: Tito's visits to the United States avoided most of the Northeast due to large minorities of Yugoslav emigrants bitter about communism in Yugoslavia. Security for the state visits was usually high to keep him away from protesters, who would frequently burn the Yugoslav flag. During a visit to the United Nations in the late 1970s emigrants shouted "Tito murderer" outside his New York hotel, for which he protested to United States authorities.
Document 9: Lucky de Chickera: Lucky de Chickera was educated at Royal College Colombo, being appointed the head prefectof Royal in 1965, and winning the most coveted Dornhorst Memorial Prize for outstanding merit in the same year. He went on to a successful career in the Corporate Private sector of the Country, that spanned 43 years of his working career until retiring as the Managing Director/CEO of Lanka Walltile PLC. Lucky was also an outstanding sports person representing his college in Rugby Football, and then going on to represent the Colombo school sides in 1963 and '64 and the Sri Lanka schools sides in both years. He continued his Rugby career into the Premier Rugby tournament of the Country by playing regularly for the CH&FC RUGBY CLUB one of the leading sides in Colombo from 1968 to 1971. He played for the Colombo clubs in 1968 and was a Sri Lanka trialist in 1968 and '69. He got married in 1969, and fathered three sons, who all went on to play representative rugby at school and junior country level.
Document 10: Satyendra Prasanna Sinha, 1st Baron Sinha: Satyendra Prasanna Sinha, 1st Baron Sinha, KCSI, PC, KC, (24 March 1863 – 4 March 1928) was a prominent lawyer and statesman in British India. He was the first Governor of Bihar and Orissa, first Indian Advocate-General of Bengal, first Indian to become a member of the Viceroy's executive Council and the first Indian to become a member of the British ministry. He is sometimes also referred as Satyendra Prasanno Sinha or Satyendra Prasad Sinha.
Document 11: Sinha Basnayake: Son of the prominent lawyer Hema Henry Basnayake, QC; he was educated at the Royal College, Colombo and graduated with a first class in law from the University of Oxford. After qualifying as a barrister he joined the UN as a Legal Officer in the International Trade Law Branch of the Office of Legal Affairs, eventually becoming its Director. Appointed as a President's Counsel by the government of Sri Lanka, he has served in many committees of the UN.
Document 12: Ibrahim Shihata: At the age of 20, Ibrahim Shihata graduated with a BA in law from Cairo University Law School at the top of his class. He originally planned to continue his education in the United States, but then received an offer from the Conseil d’Etat to work as a legal advisor in the Ministry of Health.
Document 13: Josip Broz Tito: On 1 January 1967, Yugoslavia was the first communist country to open its borders to all foreign visitors and abolish visa requirements. In the same year Tito became active in promoting a peaceful resolution of the Arab–Israeli conflict. His plan called for Arabs to recognize the state of Israel in exchange for territories Israel gained.
Document 14: Shirantha Goonatilake: Shirantha Goonatilake completed his education at the Royal College, Colombo and followed in the footsteps of his father and elder brother to join the Sri Lanka Air Force.
Document 15: World Trade Center (1973–2001): The original World Trade Center was a large complex of seven buildings in Lower Manhattan, New York City, United States. It featured the landmark twin towers, which opened on April 4, 1973, and were destroyed as a result of the September 11 attacks in 2001. At the time of their completion, the ``Twin Towers ''-- the original 1 World Trade Center, at 1,368 feet (417 m); and 2 World Trade Center, at 1,362 feet (415.1 m) -- were the tallest buildings in the world. The other buildings in the complex included the Marriott World Trade Center (3 WTC), 4 WTC, 5 WTC, 6 WTC, and 7 WTC. All these buildings were built between 1975 and 1985, with a construction cost of $400 million ($2,300,000,000 in 2014 dollars). The complex was located in New York City's Financial District and contained 13,400,000 square feet (1,240,000 m) of office space.
ground_truth: August 5, 1966
sub_queries: Sinha Basnayake >> employer Answer: UN
What American state did Tito visit when he saw the UN ? Answer: New York
when was the world trade center built in New York Answer: August 5, 1966