Question: Who was the pilot who dropped the atomic bomb on Marii Hasegawa's city of birth?

full_context: Document 1: Katsuaki Asai: Asai started training under aikido's founder Morihei Ueshiba aged 13, at the Hombu dojo in Tokyo, and continued during his studies at Meiji University. He was sent to Germany by Kisshomaru Ueshiba in 1965 to teach aikido, and has lived in the country ever since. His first occupation was to teach aikido to policemen in Münster, and he now runs a school in Düsseldorf.
Document 2: Marii Hasegawa: Hasegawa was born in Hiroshima, Japan. Her family moved to the United States in 1919, after her father, a Buddhist priest, was assigned to serve Buddhists in California. She graduated from the University of California, Berkeley with a BA in home economics in 1938.
Document 3: Atomic bombings of Hiroshima and Nagasaki: By August 1945, the Allies' Manhattan Project had produced two types of atomic bombs, and the 509th Composite Group of the United States Army Air Forces (USAAF) was equipped with the specialized Silverplate version of the Boeing B - 29 Superfortress that could deliver them from Tinian in the Mariana Islands. Orders for atomic bombs to be used on four Japanese cities were issued on July 25. On August 6, the U.S. dropped a uranium gun - type (Little Boy) bomb on Hiroshima, and American President Harry S. Truman called for Japan's surrender, warning it to ``expect a rain of ruin from the air, the like of which has never been seen on this earth. ''Three days later, on August 9, a plutonium implosion - type (Fat Man) bomb was dropped on Nagasaki. Within the first two to four months following the bombings, the acute effects of the atomic bombings had killed 90,000 -- 146,000 people in Hiroshima and 39,000 -- 80,000 in Nagasaki; roughly half of the deaths in each city occurred on the first day. During the following months, large numbers died from the effect of burns, radiation sickness, and other injuries, compounded by illness and malnutrition. In both cities, most of the dead were civilians, although Hiroshima had a sizable military garrison.
Document 4: Mari Yoriko Sabusawa: Mari Yoriko Sabusawa (July 10, 1920 – September 25, 1994), second-generation Japanese American, was a translator and the third wife of novelist James A. Michener, whom she married on October 23, 1955, in Chicago, Illinois.
Document 5: Kenji Ekuan: Born in Tokyo on September 11, 1929, Ekuan spent his youth in Hawaii. At the end of World War II, he moved to Hiroshima, where he witnessed the atomic bombing of the city, in which he lost his sister and his father, a Buddhist priest. He said the devastation motivated him to become a "creator of things".  Later he attended Tokyo National University of Fine Arts and Music (present-day Tokyo University of the Arts). In 1957, he founded GK Industrial Design Laboratory (ＧＫインダストリアルデザイン研究所). "GK" stood for "Group of Koike", as Koike was the name of an associate professor at the university.In 1970, he became president of the Japan Industrial Designers' Association and five years later he was elected as president of the International Council of Societies of Industrial Design.During his lifetime he served as chair of the Japan Institute of Design, dean of Shizuoka University of Art and Culture was and a trustee of the Art Center College of Design.Ekuan died in the hospital in Tokyo on February 8, 2015, at the age of 85.
Document 6: Isami Doi: Doi was the first son of Japanese immigrants, born in Ewa on the island of Oahu in the Hawaiian Islands in 1903. He moved with his family to the island of Kauai, and he thereafter considered Kalaheo, Kauai his home.
Document 7: Little Boy: ``Little Boy ''was the codename for the atomic bomb dropped on the Japanese city of Hiroshima on 6 August 1945 during World War II by the Boeing B - 29 Superfortress Enola Gay, piloted by Colonel Paul W. Tibbets, Jr., commander of the 509th Composite Group of the United States Army Air Forces. It was the first atomic bomb to be used in warfare. The Hiroshima bombing was the second artificial nuclear explosion in history, after the Trinity test, and the first uranium - based detonation. It exploded with an energy of approximately 15 kilotons of TNT (63 TJ). The bomb caused significant destruction to the city of Hiroshima and its occupants.
Document 8: Enola Gay: The Enola Gay (/ ɪˈnoʊlə ˈɡeɪ /) is a Boeing B - 29 Superfortress bomber, named for Enola Gay Tibbets, the mother of the pilot, Colonel Paul Tibbets, who selected the aircraft while it was still on the assembly line. On 6 August 1945, during the final stages of World War II, it became the first aircraft to drop an atomic bomb. The bomb, code - named ``Little Boy '', was targeted at the city of Hiroshima, Japan, and caused unprecedented destruction. Enola Gay participated in the second atomic attack as the weather reconnaissance aircraft for the primary target of Kokura. Clouds and drifting smoke resulted in a secondary target, Nagasaki, being bombed instead.
Document 9: Paul Tibbets: Paul Warfield Tibbets Jr. (23 February 1915 -- 1 November 2007) was a brigadier general in the United States Air Force. He is best known as the pilot who flew the Enola Gay (named after his mother) when it dropped Little Boy, the first of two atomic bombs used in warfare, on the Japanese city of Hiroshima.
Document 10: Atomic bombings of Hiroshima and Nagasaki: Hiroshima was the primary target of the first atomic bombing mission on August 6, with Kokura and Nagasaki as alternative targets. The 393d Bombardment Squadron B-29 Enola Gay, named after Tibbets' mother and piloted by Tibbets, took off from North Field, Tinian, about six hours' flight time from Japan. Enola Gay was accompanied by two other B-29s: The Great Artiste, commanded by Major Charles Sweeney, which carried instrumentation, and a then-nameless aircraft later called Necessary Evil, commanded by Captain George Marquardt, which served as the photography aircraft.
Document 11: Atomic bombings of Hiroshima and Nagasaki: By August 1945, the Allies' Manhattan Project had produced two types of atomic bomb, and the 509th Composite Group of the United States Army Air Forces (USAAF) was equipped with the specialized Silverplate version of the Boeing B - 29 Superfortress that could deliver them from Tinian in the Mariana Islands. Orders for atomic bombs to be used on four Japanese cities were issued on July 25. On August 6, one of its B - 29s dropped a Little Boy uranium gun - type bomb on Hiroshima. Three days later, on August 9, a Fat Man plutonium implosion - type bomb was dropped by another B - 29 on Nagasaki. The bombs immediately devastated their targets. Over the next two to four months, the acute effects of the atomic bombings killed 90,000 -- 146,000 people in Hiroshima and 39,000 -- 80,000 people in Nagasaki; roughly half of the deaths in each city occurred on the first day. Large numbers of people continued to die from the effects of burns, radiation sickness, and other injuries, compounded by illness and malnutrition, for many months afterward. In both cities, most of the dead were civilians, although Hiroshima had a sizable military garrison.
Document 12: Agata Passent: She was born in Warsaw into a family with Jewish roots, as a daughter of a journalist Daniel Passent and a poet Agnieszka Osiecka. Her paternal grandparents were killed during the Holocaust in the Warsaw Ghetto. Her maternal grandparents – Wiktor Osiecki, a pianist and Maria Sztechman – survived World War II and lived in Saska Kępa. Passent, who spent her childhood in Falenica, came back to Warsaw with her family at the age of five. In 1979 they moved to Cambridge, then back to Warsaw and then to Newton, where she graduated from the Buckingham Browne & Nichols school. In 1995 Agata Passent graduated with a major in German studies from Harvard University and she returned to Poland.
Document 13: Atomic bombings of Hiroshima and Nagasaki: During the final stage of World War II, the United States detonated two nuclear weapons over the Japanese cities of Hiroshima and Nagasaki on August 6 and 9, 1945, respectively. The United States dropped the bombs after obtaining the consent of the United Kingdom, as required by the Quebec Agreement. The two bombings killed at least 129,000 people, most of whom were civilians. They remain the only use of nuclear weapons in the history of warfare.
Document 14: Ivan Morris: Ivan Morris was born in London, of mixed American and Swedish parentage to Edita Morris and Ira Victor Morris (son of diplomat Ira Nelson Morris and grandson of meat-packer Nelson Morris). He studied at Gordonstoun, before graduating from Phillips Academy. He began his study of Japanese language and culture at Harvard University, where he received a BA. He received a doctorate at the School of Oriental and African Studies in London. He wrote widely on modern and ancient Japan and translated numerous classical and modern literary works. Ivan Morris was one of the first interpreters sent into Hiroshima after the explosion of the bomb.
Document 15: Atomic bombings of Hiroshima and Nagasaki: Atomic bombings of Hiroshima and Nagasaki Part of the Pacific War of World War II Atomic bomb mushroom clouds over Hiroshima (left) and Nagasaki (right) Date August 6 and August 9, 1945 Location Hiroshima and Nagasaki, Japan Result Allied victory Belligerents United States Manhattan Project: United Kingdom Canada Japan Commanders and leaders William S. Parsons Paul W. Tibbets, Jr. Charles Sweeney Frederick Ashworth Shunroku Hata Units involved Manhattan District: 50 U.S., 2 British 509th Composite Group: 1,770 U.S. Second General Army: Hiroshima: 40,000 (5 Anti-aircraft batteries) Nagasaki: 9,000 (4 Anti-aircraft batteries) Casualties and losses 20 British, Dutch, and American prisoners of war killed Hiroshima: 20,000 soldiers killed 70,000 -- 126,000 civilians killed Nagasaki: 39,000 -- 80,000 killed Total killed: 129,000 -- 226,000
ground_truth: Paul Warfield Tibbets Jr.
sub_queries: Marii Hasegawa >> place of birth Answer: Hiroshima
who was the pilot who dropped the atomic bomb on Hiroshima Answer: Paul Warfield Tibbets Jr.