Instructions: 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.
Input: Context: Adelaide of Rheinfelden (or Adelaide of Swabia) (German: Adelheid) (1060s -- May 1090), was the daughter of Rudolf of Rheinfelden; and wife of King Ladislaus I of Hungary.
Question: What is Adelaide of Rheinfelden's spouse's name?
Output:
ladislaus i of hungary