Task: Pos Tagging
Input (English): What is the part-of-speech tag of the word "at" in the following question: Who is the sponsor of the team who plays at the venue with the Coordinates : 54°5′32″N 28°19′12″E / 54.09222°N 28.32000°E / 54.09222 ; 28.32000 ?
Output (English): :