1. A method, comprising: receiving a search request from a user; presenting a list of a plurality of structured queries based on the search request to a human assistant; receiving a selection of one of the plurality of structured queries from the human assistant; obtaining an answer from a source using the selected structured query, wherein the answer is responsive to the search request; and providing the answer to the user.
1. A method, comprising: receiving a search request from a user; presenting a list of a plurality of structured queries based on the search request to a human assistant; receiving a selection of one of the plurality of structured queries from the human assistant; obtaining an answer from a source using the selected structured query, wherein the answer is responsive to the search request; and providing the answer to the user. 13. The method of claim 1 , further comprising: choosing a human searcher to respond to the search request based on the structured query and a ranking of the human searcher for a category indicated by the structured query.