To answer this question, we should know that: From the seven novels, there have been three film adaptations so far -- The Lion, the Witch and the Wardrobe (2005), Prince Caspian (2008) and The Voyage of the Dawn Treader (2010) -- which have grossed over $1.5 billion worldwide among them.
seven
The Chronicles of Narnia is a series of films based on The Chronicles of Narnia, a series of novels by C.S. Lewis. From the seven novels, there have been three film adaptations so far -- The Lion, the Witch and the Wardrobe (2005), Prince Caspian (2008) and The Voyage of the Dawn Treader (2010) -- which have grossed over $1.5 billion worldwide among them.

How many parts does chronicles of narnia have?

The relevant sentence in the passage is: A triangle-based pyramid is more often called a tetrahedron.
a tetrahedron
Context: When unspecified, a pyramid is usually assumed to be a regular square pyramid, like the physical pyramid structures. A triangle-based pyramid is more often called a tetrahedron.

Question: what do you call a pyramid with a triangular base?

The important part for answering this question is: In season 11, Derek is involved in a fatal car accident while driving to the airport for his final trip to Washington.
season 11
Passage: In season 11, Derek is involved in a fatal car accident while driving to the airport for his final trip to Washington. He is able to hear and process auditory input, but unable to speak. He is recognized by Winnie, one of the victims of a crash he assisted in earlier, who tells the surgeons that their patient's name is Derek and that he is a surgeon as well. The hospital he was taken to was understaffed and his head injury was not detected quickly enough by the interns on duty that night. Although the neurosurgeon on call is paged multiple times, he takes too long to arrive and Derek is declared brain dead. Police arrive at Meredith's door and take her to see Derek, where she consents to removing him from life support. At the time of his death, Meredith was pregnant with their third child. She gives birth to a daughter whom she names Ellis after her mother.

Question: Based on this passage, what season of greys anatomy does derek die?