Task: Pos Tagging
Input (English): What is the part-of-speech tag of the word "2009" in the following question: In 2009 , approximately how many million inhabitants were recorded in the city that contains the stadium that was the location of Diego Maradona 's `` Hand of God goal '' and of the 1st , 2nd , 4th and 10th highest attended CONCACAF Champions League games ?
Output (English): CD