Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Date | City | Opponent | Results¹ | Type of game |
| --- | --- | --- | --- | --- |
| June 25 | Zagreb | Norway | 4:1 | Friendly |
| July 15 | Helsinki , Finland | India | 10:1 | 1952 Summer Olympics |
| July 20 | Helsinki , Finland | Soviet Union | 5:5 | 1952 Summer Olympics |
| July 22 | Tampere , Finland | Soviet Union | 3:1 | 1952 Summer Olympics |
| July 25 | Tampere , Finland | Denmark | 5:3 | 1952 Summer Olympics |
| July 29 | Helsinki , Finland | West Germany | 3:1 | 1952 Summer Olympics |
| August 2 | Helsinki , Finland | Hungary | 0:2 | 1952 Summer Olympics |
| September 21 | Belgrade | Austria | 4:2 | Friendly |
| November 2 | Belgrade | Egypt | 5:0 | Friendly |
| December 21 | Ludwigshafen , Germany | West Germany | 2:3 | Friendly |
Question:
What is the name of the City with December 21 as a Date?
Answer:
Ludwigshafen , Germany