Question: Wilhelm Batz shot down 46 of one type of aircraft. How many of these aircraft were made during World War 2?

full_context: Document 1: IL-2 Sturmovik (series): IL-2 Sturmovik (Russian: Ил-2 Штурмовик ) is a series of World War II combat flight simulator video games originally created by the Russian video game developer Maddox Games under the brand name , following its association with 1C Company. After the 2011 release of one of the titles in the series, "", Maddox Games left 1C Company. As of December 2012, 1C's new developer is the brand name 1C Game Studios, formed after association with video game developer 777 Studios, mostly known for developing and releasing the 2009 "" simulator. The first game resulting of this collaboration, and the latest title in the "IL-2 Sturmovik" series, is "", released in November 2013. Along with its sequels, "IL-2 Sturmovik" is considered one of the leading World War II flight simulators.
Document 2: Wilhelm Crinius: Wilhelm Crinius (2 December 1920 – 26 April 1997) was a Luftwaffe fighter ace during World War II. A flying ace or fighter ace is a military aviator credited with shooting down five or more enemy aircraft during aerial combat. Crinius is credited with 114 aerial victories claimed in approximately 400 combat missions. He recorded 100 victories over the Eastern Front. Of his 14 victories claimed over the Western Front, one was a four-engined bomber. On 23 September 1942, Crinius became the only German fighter pilot to be awarded the Knight's Cross of the Iron Cross ("Ritterkreuz des Eisernen Kreuzes") and the Knight's Cross of the Iron Cross with Oak Leaves ("Ritterkreuz des Eisernen Kreuzes mit Eichenlaub") simultaneously.
Document 3: Jagdgeschwader 52: "Jagdgeschwader" 52 (JG 52) (52nd Fighter Wing) of the Luftwaffe, was the most successful fighter-wing of all time, with a claimed total of more than 10,000 victories over enemy aircraft during World War II. It was the unit of the top three scoring flying aces of all time, Erich Hartmann, Gerhard Barkhorn and Günther Rall. The unit flew exclusively with the various versions of the Messerschmitt Bf 109 throughout the war.
Document 4: Erich Rudorffer: Erich Rudorffer (1 November 1917 – 8 April 2016) was a German "Luftwaffe" fighter ace who was one of a handful who served with the "Luftwaffe" through the whole of World War II. He was the 7th most successful fighter pilot in the history of air warfare, with 222 victories claimed. Rudorffer fought in all the major German theaters of war, including the European and Mediterranean Theater of Operations and the Eastern Front. During the war he flew more than 1000 combat missions, engaging in aerial combat over 300 times. Rudorffer was shot down by flak and enemy fighters 16 times and had to take to his parachute nine times. He distinguished himself by shooting down 13 enemy planes in 17 minutes. His 222 aerial victories included 58 heavily armoured Il-2 Sturmovik ground attack aircraft.
Document 5: Sukhoi Su-25: The Sukhoi Su-25 "Grach" (Russian: Грач ("rook"); NATO reporting name: Frogfoot) is a single-seat, twin-engine jet aircraft developed in the Soviet Union by Sukhoi. It was designed to provide close air support for the Soviet Ground Forces. The first prototype made its maiden flight on 22 February 1975. After testing, the aircraft went into series production in 1978 at Tbilisi in the Georgian Soviet Socialist Republic.
Document 6: Sikorsky Ilya Muromets: The Sikorsky "Ilya Muromets" (Russian: Сикорский Илья Муромец ) (Sikorsky S-22, S-23, S-24, S-25, S-26 and S-27) were a class of Russian pre-World War I large four-engine commercial airliners and military heavy bombers used during World War I by the Russian Empire. The aircraft series was named after Ilya Muromets, a hero from Slavic mythology. The series was based on the Russky Vityaz or Le Grand, the world's first four-engined aircraft, designed by Igor Sikorsky. The Ilya Muromets aircraft as it appeared in 1913 was a revolutionary design, intended for commercial service with its spacious fuselage incorporating a passenger saloon and washroom on board. During World War I, it became the first four-engine bomber to equip a dedicated strategic bombing unit. This heavy bomber was unrivaled in the early stages of the war, as the Central Powers had no aircraft capable enough to rival it until much later. The Zeppelin-Staaken R.VI of 1916-17 was the only example of any of the Imperial German "Riesenflugzeug" airframe designs to be produced in any quantity during World War I.
Document 7: Erich Hartmann: Erich Alfred Hartmann (19 April 1922 – 20 September 1993), nicknamed "Bubi" ("The Kid") by his German comrades and "The Black Devil" by his Soviet adversaries, was a German fighter pilot during World War II and the most successful fighter ace in the history of aerial warfare. He flew 1,404 combat missions and participated in aerial combat on 825 separate occasions. He claimed, and was credited with, shooting down 352 Allied aircraft—345 Soviet and 7 American—while serving with the "Luftwaffe". During the course of his career, Hartmann was forced to crash-land his fighter 14 times due to damage received from parts of enemy aircraft he had just shot down or mechanical failure. Hartmann was never shot down or forced to land due to enemy fire.
Document 8: Hans-Joachim Marseille: Hans-Joachim Walter Rudolf Siegfried Marseille (13 December 1919 – 30 September 1942; ] ) was a German fighter pilot during World War II. A flying ace, he is noted for his aerial battles during the North African Campaign. Marseille claimed all but seven of his 158 victories against the British Desert Air Force over North Africa. No other pilot claimed as many Western Allied aircraft as Marseille.
Document 9: List of surviving Boeing B-17 Flying Fortresses: The Boeing B-17 Flying Fortress is a four-engine heavy bomber aircraft primarily employed by the United States Army Air Forces (USAAF) during World War II. Developed by Boeing, a total of 12,731 aircraft had been produced by Boeing, Douglas and Lockheed from 1936 until 1945. Over 8,000 were lost in either combat operations or training accidents. The remaining combat veterans and early production models were stored and later scrapped in the vast scrap drives of the late 1940s, many going to aircraft boneyards like Davis-Monthan Air Force Base in Tucson, Arizona, the largest of its kind within the United States' borders.
Document 10: Wilhelm Batz: Wilhelm Batz (21 May 1916, in Bamberg – 11 September 1988, in Mauschendorf/Ebern in Unterfranken) was a pilot in the Luftwaffe of Nazi Germany during World War II. The sixth-most successful fighter pilot in the history of aerial warfare, Batz flew 445 combat missions and claimed 237 enemy aircraft shot down. 234 of these victories were achieved over the Eastern Front, including at least 46 Il-2 Sturmoviks, but he did claim three victories, including one four-engine bomber against the United States Army Air Forces (USAAF) over the Ploieşti oil fields. Batz was a recipient of the Knight's Cross of the Iron Cross with Oak Leaves and Swords.
Document 11: List of surviving Messerschmitt Bf 109s: The Messerschmitt Bf 109 was a German World War II fighter aircraft. It was one of the first true modern fighters of the era, including such features as an all-metal monocoque construction, a closed canopy, and retractable landing gear. The Bf 109 was the most produced fighter aircraft during World War II, with 30,573 examples built during the war, and the most produced fighter aircraft in history, with a total of 33,984 units produced up to April 1945.
Document 12: Herbert Bareuther: Herbert Bareuther (29 July 1914 – 30 April 1945) was a World War II fighter ace from Nazi Germany. He was born on 29 July 1914 at Asch in Egerland. Bareuther was credited with having shot down a total of 55 enemy aircraft. All the victories he achieved were recorded over the Eastern Front.
Document 13: Lisunov Li-2: The Lisunov Li-2, originally designated PS-84, was a license-built version of the Douglas DC-3. It was produced by Factory #84 in Moscow-Khimki and, after evacuation in 1941, at TAPO in Tashkent. The project was directed by aeronautical engineer Boris Pavlovich Lisunov.
Document 14: Junkers Ju 87: The Junkers Ju 87 or Stuka (from "Sturzkampfflugzeug", "dive bomber") was a German dive bomber and ground-attack aircraft. Designed by Hermann Pohlmann, it first flew in 1935. The Ju 87 made its combat debut in 1937 with the Luftwaffe's Condor Legion during the Spanish Civil War and served the Axis forces in World War II.
Document 15: Ilyushin Il-2: The Ilyushin Il-2 (Cyrillic: Илью́шин Ил-2) Sturmovik was a ground-attack aircraft (Cyrillic: Штурмови́к, "Šturmovík") produced by the Soviet Union in large numbers during the Second World War. With 36,183 units of the Il-2 produced during the war, and in combination with its successor, the Ilyushin Il-10, a total of 42,330 were built, making it the single most produced military aircraft design in aviation history, as well as one of the most produced piloted aircraft in history along with the American postwar civilian Cessna 172 and the Soviet Union's own then-contemporary Polikarpov Po-2 "Kukuruznik" multipurpose biplane.
ground_truth: 36,183