In this task, you are given a context paragraph of the tweet and question. Your task is to generate right answer of given question based on given context tweet paragraph.

Context: Booked on the 1100 from Kings Cross on Sept 1, 2017. Didn’t realise the significance. Big crowds and Warwick Davis. #19YearsLater. Tony Johnston (@Tonyjo7) September 1, 2017 Question: where did this happen?
kings cross

Context: Philae:10 years in transitLanded on cometBounced (x2)Stuck in shadeSCIENCED ANYWAYLost powerWaitedOne month to goFOUND BY ROSETTA— Katie Mack (@AstroKatie) September 5, 2016 Question: how long was philae in transit?
10 years

Context: I dont care as long as Krissi is ok. I wish I could trade places.— Nick Gordon (@nickdgordon) February 23, 2015 Question: who does nick gordan wish to trade places with?

krissi