In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.

Context: During the reign of King Edward the Confessor a lady called Elviva (probably a Latin rendering of the Old English name Ælfgifu), held the manor of Ambrosden. The Domesday Book records that by 1086 she had been replaced by Hugh d'Ivry Link Information: none Answer: none
How long did Elviva hold the manor before being replaced?

Context: and great-grandson of Revolutionary War general James Kenan Link Information: James Kenan was born on September 23, 1740 at the family plantation, The Lilacs, in Turkey, Sampson County, North Carolina.  Answer: North Carolina
Where was Thomas Kenan's great grandfather born?

Context: Marriott signed for League Two club Luton Town on a one-year contract on 20 May 2015. He made his debut as a 76th-minute substitute for Danny Green Link Information: Marriott signed for League Two club Luton Town on a one-year contract on 20 May 2015 Answer: 17

How old was Danny Green the year that Marriott signed for League Two club Luton Town on a one-year contract?