This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.
Q: Schwarzenegger tripped over his ski pole and broke his right femur while skiing in Sun Valley, Idaho, with his family on December 23, 2006. On December 26, 2006, he underwent a 90-minute operation in which cables and screws were used to wire the broken bone back together. He was released from the St. John's Health Center on December 30, 2006.
A:
What bone did Schwarzenegger break while on a ski trip in 2006?