You will be given a definition of a task first, then some input of the task.
Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.

Context: The Assut de l'Or Bridge (Valencian: Pont de l'Assut de l'Or, Spanish: Puente de l'Assut de l'Or) is a suspension bridge, designed by Valencian architect and civil engineer Santiago Calatrava, and completed in December 2008.
Question: Which was the architect for Assut de l'Or Bridge?
Output:
santiago calatrava