Use a disfluent question or a proper question and find the answer to the question based on the given context or return None if an answer can't be found. A disfluent question is a question that has some interruptions in it while framing. A proper question is the correct form of the question without any disfluency.

proper question: What UN resolution endorsed the IPCC? 
 disfluent question: What UNFCCC resolution endorsed the IPCC no the UN not UNFCCC? 
 context: The Intergovernmental Panel on Climate Change (IPCC) is a scientific intergovernmental body under the auspices of the United Nations, set up at the request of member governments. It was first established in 1988 by two United Nations organizations, the World Meteorological Organization (WMO) and the United Nations Environment Programme (UNEP), and later endorsed by the United Nations General Assembly through Resolution 43/53. Membership of the IPCC is open to all members of the WMO and UNEP. The IPCC produces reports that support the United Nations Framework Convention on Climate Change (UNFCCC), which is the main international treaty on climate change. The ultimate objective of the UNFCCC is to stabilize greenhouse gas concentrations in the atmosphere at a level that would prevent dangerous anthropogenic [i.e., human-induced] interference with the climate system. IPCC reports cover the scientific, technical and socio-economic information relevant to understanding the scientific basis of risk of human-induced climate change, its potential impacts and options for adaptation and mitigation.
Resolution 43/53

proper question: How many stories doe the Lavietes Pavillion have? 
 disfluent question: How many rooms ah I mean stories doe the Lavietes Pavillion have? 
 context: Harvard has several athletic facilities, such as the Lavietes Pavilion, a multi-purpose arena and home to the Harvard basketball teams. The Malkin Athletic Center, known as the MAC, serves both as the university's primary recreation facility and as a satellite location for several varsity sports. The five-story building includes two cardio rooms, an Olympic-size swimming pool, a smaller pool for aquaerobics and other activities, a mezzanine, where all types of classes are held, an indoor cycling studio, three weight rooms, and a three-court gym floor to play basketball. The MAC offers personal trainers and specialty classes. It is home to Harvard volleyball, fencing and wrestling. The offices of several of the school's varsity coaches are also in the MAC.
None

proper question: X.25 had less functionality because of what? 
 disfluent question: X.25 had datagrams no had less functionality because of what? 
 context: ARPANET and SITA HLN became operational in 1969. Before the introduction of X.25 in 1973, about twenty different network technologies had been developed. Two fundamental differences involved the division of functions and tasks between the hosts at the edge of the network and the network core. In the datagram system, the hosts have the responsibility to ensure orderly delivery of packets. The User Datagram Protocol (UDP) is an example of a datagram protocol. In the virtual call system, the network guarantees sequenced delivery of data to the host. This results in a simpler host interface with less functionality than in the datagram model. The X.25 protocol suite uses this network type.

None