Question: Claude Nicollier and André Kuipers were both astronauts of which space agency?

full_context: Document 1: European Astronaut Corps: The European Astronaut Corps is a unit of the European Space Agency (ESA) that selects, trains, and provides astronauts as crew members on U.S. and Russian space missions. As of Nov 2014, 24 ESA astronauts are now able to go board the ISS. There are currently 47 members of the Corps, 26 currently active. The European Astronaut Corps is based at the European Astronaut Centre in Cologne, Germany. They can be assigned to various projects both in Europe (at ESTEC, for instance) or elsewhere in the world, at NASA Johnson Space Center or Star City.
Document 2: Chris Hadfield: Chris Austin Hadfield {'1': ", '2': ", '3': ", '4': "} (born 29 August 1959) is a retired Canadian astronaut who was the first Canadian to walk in space. An engineer and former Royal Canadian Air Force fighter pilot, Hadfield has flown two space shuttle missions and served as commander of the International Space Station.
Document 3: Soyuz TMA-17M: Soyuz TMA-17M was a 2015 flight to the International Space Station. It transported three members of the Expedition 44 crew to the International Space Station. TMA-17M was the 126th flight of a Soyuz spacecraft; the first having occurred in 1967. The crew consisted of a Russian commander accompanied by Japanese and American astronauts. The capsule remained docked to the space station for about five months until the scheduled departure of Expedition 45 in December 2015. Soyuz TMA-17M landed safely on the steppes of Kazakhstan on 11 December, 2015, in a rare night landing.
Document 4: André Kuipers: André Kuipers (] ; born 5 October 1958) is a Dutch physician and ESA astronaut. He became the second Dutch citizen, third Dutch-born and fifth Dutch-speaking astronaut upon launch of Soyuz TMA-4 on 19 April 2004. Kuipers returned to Earth aboard Soyuz TMA-3 11 days later.
Document 5: Paolo Nespoli: Paolo Angelo Nespoli (Milan, 6 April 1957) is an Italian astronaut and engineer. In 2007, he first traveled into space aboard the Space Shuttle Discovery as a mission specialist of STS-120. In December 2010 he again traveled into space aboard the Soyuz TMA-20 spacecraft as an Expedition 26/27 flight engineer.
Document 6: Claudie Haigneré: Claudie (André-Deshays) Haigneré (born 13 May 1957) is a French doctor, politician, and former astronaut with the Centre National d'Études Spatiales (1985–1999) and the European Space Agency (1999–2002).
Document 7: Claude Nicollier: Claude Nicollier (born 2 September 1944 in Vevey, Switzerland) is the first astronaut from Switzerland. He has flown on four Space Shuttle missions. His first spaceflight (STS-46) was in 1992, and his final spaceflight (STS-103) was in 1999. He took part in two servicing missions to the Hubble Space Telescope (called STS-61 and STS-103). During his final spaceflight he participated in a spacewalk, becoming the first European Space Agency astronaut to do so during a Space Shuttle mission (previous ESA astronauts conducted spacewalks aboard "Mir", see List of spacewalks and moonwalks 1965–1999). In 2000 he was assigned to the Astronaut Office Extravehicular Activity Branch, while maintaining a position as Lead ESA Astronaut in Houston. Nicollier retired from ESA in April 2007.
Document 8: Frank De Winne: Frank, Viscount De Winne (born 25 April 1961, in Ledeberg, Belgium) is a Belgian Air Component officer and an ESA astronaut. He is Belgium's second person in space (after Dirk Frimout). He was the first ESA astronaut to command a space mission when he served as commander of ISS Expedition 21. ESA astronaut de Winne serves currently as Head of the European Astronaut Centre of the European Space Agency in Cologne/Germany (Köln).
Document 9: Soyuz TMA-4: Soyuz TMA-4 was a Soyuz mission to the International Space Station (ISS) launched by a Soyuz FG launch vehicle. It was launched on April 19, 2004 (UTC) from Baikonur Cosmodrome. Gennady Padalka from Russia, Michael Fincke from the USA and André Kuipers from the Netherlands were flown to the International Space Station. Kuipers returned to Earth 9 days later together with ISS crew 8 with the re-entry module of the Soyuz TMA-3, the other two stayed as ISS crew 9. The craft landed October 24, 2004 with Padalka, Fincke and Yuri Shargin aboard.
Document 10: Timothy Kopra: Timothy Lennart Kopra (born April 9, 1963) is an engineer, a Colonel in the United States Army, a NASA astronaut, and the former commander of the International Space Station. He served aboard the International Space Station as a flight engineer for Expedition 20, returning to Earth aboard Space Shuttle "Discovery" on the STS-128 mission on September 11, 2009.
Document 11: Jean-François Clervoy: Jean-François André Clervoy (born 19 November 1958) is a French engineer and a CNES and ESA astronaut. He is a veteran of three NASA Space Shuttle missions.
Document 12: Wubbo Ockels: Wubbo Johannes Ockels (28 March 1946 – 18 May 2014) was a Dutch physicist and an astronaut of the European Space Agency (ESA). In 1985 he participated in a flight on the space shuttle Challenger, STS-61-A, making him the first Dutch citizen in space. After his astronaut career, Ockels was professor of "Aerospace for Sustainable Engineering and Technology" at the Delft University of Technology.
Document 13: Christer Fuglesang: Arne Christer Fuglesang (] ) (born March 18, 1957 in Stockholm) is a Swedish physicist and an ESA astronaut. He was first launched aboard the STS-116 Space Shuttle mission on December 10, 2006, at 01:47 GMT, making him the first Swedish citizen in space.
Document 14: Klaus-Dietrich Flade: Klaus-Dietrich Flade (born August 23, 1952) is a German pilot and former German Aerospace Center astronaut who visited the Mir space station in 1992 aboard the Soyuz TM-14 mission, returning to Earth a week later aboard Soyuz TM-13.
Document 15: Michael Foale: Colin Michael Foale, CBE (born 6 January 1957) is a British-American astrophysicist and former NASA astronaut. He is a veteran of six Space Shuttle missions and extended missions on both Mir and the International Space Station. He was the first Briton to perform a space walk, and until 17 April 2008, he held the record for most time spent in space by a US citizen: 374 days, 11 hours, 19 minutes. He still holds the cumulative-time-in-space record for a UK citizen.
ground_truth: ESA