Question:
Which employer did Ken Murph work for in Jan, 2017?

Context:
 Ken Murph works for Boots from Jan, 2005 to Jan, 2014. 
 Ken Murph works for Tesco from Oct, 2020 to Dec, 2022. 
 Ken Murph works for Walgreens Boots Alliance from Jan, 2014 to Jan, 2020.

Answer:
Walgreens Boots Alliance