8. The computer program product of claim 7 , wherein the computer readable program further causes the data processing system to analyze the input question at least by: performing natural language processing on the input question to extract one or more features from the input question; and analyzing the one or more extracted features to identify the one or more constituent data values.
8. The computer program product of claim 7 , wherein the computer readable program further causes the data processing system to analyze the input question at least by: performing natural language processing on the input question to extract one or more features from the input question; and analyzing the one or more extracted features to identify the one or more constituent data values. 9. The computer program product of claim 8 , wherein the computer readable program further causes the data processing system to retrieve, from a corpus of information, the one or more constituent data values for calculating the requested answer to the input question at least by: applying, by the data processing system, one or more queries to the corpus of information, based on the extracted one or more features, to retrieve the one or more constituent data values.