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.

Ex Input:
Context: 3sat began broadcasting on 1 December 1984. 
 Question: What year did 3sat start?

Ex Output:
1 december 1984


Ex Input:
Context: The film opens in the middle of the night as the Sherwood robbers run through the forest. The robbers run through Nottingham and put their horses into a stable. Lady Marion (Cate Blanchett), wife of Sir Robert Loxley, rouses her servants and demands that they open the gates. Taking an arrow and setting it aflame, she shoots it at the feet of one of the robbers and tells them that she can see them. After they leave, she realizes that the seeds and grain of Nottingham were stolen and that they won't have anything to plant come spring.Robin Longstride (Russell Crowe) leads his men through the forest back to their own camp. When he fought in the Crusades, Robin was only an archer. As English troops lead an assault on a French stronghold, Robin and his men fight valiantly alongside King Richard the Lionheart (Danny Huston). A young archer attempts to plant a bomb bag on the portcullis but gets stuck. Robin races to him and rescues him before the French can kill him. Robin then retreats to safety before igniting the gate. The English troops attack the breach.Back in England, Richard's younger brother, Prince John (Oscar Isaac), is cheating on his wife Isabel (Jessica Raine) with Isabella (Lea Seydoux), the niece of the French king. John's mother Eleanor of Aquitaine (Eileen Atkins) walks in, passing his wife, who is standing sadly outside the room. John asks his mother to leave but she tells him that his behavior has given the king of France the excuse he needs to invade. She tells him to go to his wife, but he responds that his wife is barren. John expresses his desire to divorce his wife and marry the French girl since he anticipates becoming king upon Richard's death.Robin sets up a memory game where he hides a pea under three cups. Most people fall for it, but Little John (Kevin Durand) is determined to beat the game. When Robin offers three choices, Little John accuses him of hiding the pea in his hand while turning all of the cups. However, removing all three cups reveals that the pea was in the center cup all the time. Little John attacks Robin and they fight it out until they're interrupted by the king's arrival. When the king asks who started the fight, Robin says that it was his fault. The king talks to Robin and asks if he is honest enough to tell him his thoughts on the Crusade. The king wonders whether God would be pleased; Robin says no. The slaughter of the Muslims in their last battle made Robin feel that God did not approve of their actions and that they had acted like barbarians. Robin and his men are put in the stocks and Robin swears that he is done fighting and will return home once released.In nearby woods, Sir Godfrey (Mark Strong) visits King Philip (Jonathan Zaccai) of France. Philip notes that Sir Godfrey is of French and English heritage and asks where his allegiance lies. Godfrey pledges his allegiance to King Philip and Philip requests that Godfrey kill King Richard the Lionheart so that Philip may attack England under the leadership of the inept John. Sir Godfrey agrees.Meanwhile, King Richard leads his men in battle with the French. Upon breaching the perimeter, an archer shoots King Richard through the neck. As he dies, his men call for a doctor but can only comfort his passing with wine. His knights gather the crown and prepare to depart for the boats back to England. The young man Robin saved sees the incident and runs back to the stocks to free Robin and his friends. They grab their equipment and flee the camp as quickly as possible.Sir Robert Loxley (Douglas Hodge) is leading the knights of King Richard through the forest when Sir Godfrey's men attack and kill most of the knights. Loxley is skewered by a spear and left to die slowly. Godfrey asks about King Richard and is surprised to hear that the king was killed in battle. Loxley tells them that the king's crown is in a bag on the king's horse. Godfrey's men attempt to 
 Question: How old is Skippy?

Ex Output:
7


Ex Input:
Context: Although first described as early as 1898 and long considered a vestigial organelle of little functional importance, the primary cilium has become one of the hottest research topics in modern cell biology and physiology. Primary cilia are nonmotile sensory organelles present in a single copy on the surface of most growth-arrested or differentiated mammalian cells, and defects in their assembly or function are tightly coupled to many developmental defects, diseases and disorders. In normal tissues, the primary cilium coordinates a series of signal transduction pathways, including Hedgehog, Wnt, PDGFRalpha and integrin signaling. In the kidney, the primary cilium may function as a mechano-, chemo- and osmosensing unit that probes the extracellular environment and transmits signals to the cell via, e.g., polycystins, which depend on ciliary localization for appropriate function. Indeed, hypomorphic mutations in the mouse ift88 (previously called Tg737) gene, which encodes a ciliogenic intraflagellar transport protein, result in malformation of primary cilia, and in the collecting ducts of kidney tubules this is accompanied by development of autosomal recessive polycystic kidney disease (PKD). While PKD was one of the first diseases to be linked to dysfunctional primary cilia, defects in this organelle have subsequently been associated with many other phenotypes, including cancer, obesity, diabetes as well as a number of developmental defects. Collectively, these disorders of the cilium are now referred to as the ciliopathies. In this review, we provide a brief overview of the structure and function of primary cilia and some of their roles in coordinating signal transduction pathways in mammalian development, health and disease. 
 Question: Which is the most common disease attributed to malfunction or absence of primary cilia?

Ex Output:

polycystic kidney disease (pkd)