18. A system for retrieving answer information from a natural language (NL) query answering system, the system comprising one or more computing devices configured to: prompt a user to provide, via a user interface application generated according to an NL query having first query parameters, second query parameters regarding a second query, the second query related to the NL query, and the second query parameters different than the first query parameters; determine one or more respective values of one or more variables using the received second query parameters; generate a computer-generated query that is based on the NL query, wherein the computer-generated query is generated to include the one or more respective values of the one or more variables; provide the computer-generated query to the NL query answering system; receive, from the NL query answering system, answer information responsive to the computer-generated query; and cause the answer information to be displayed on a display device.
18. A system for retrieving answer information from a natural language (NL) query answering system, the system comprising one or more computing devices configured to: prompt a user to provide, via a user interface application generated according to an NL query having first query parameters, second query parameters regarding a second query, the second query related to the NL query, and the second query parameters different than the first query parameters; determine one or more respective values of one or more variables using the received second query parameters; generate a computer-generated query that is based on the NL query, wherein the computer-generated query is generated to include the one or more respective values of the one or more variables; provide the computer-generated query to the NL query answering system; receive, from the NL query answering system, answer information responsive to the computer-generated query; and cause the answer information to be displayed on a display device. 19. The system of claim 18 , wherein the computer-generated query is generated to include respective one or more keywords associated with the respective one or more values of the one or more variables; and wherein the respective one or more keywords are recognizable by the NL query answering system as indicating how the NL query answering system should interpret the one or more values of the one or more variables.