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 | Label | Region | Format | Catalog |
| --- | --- | --- | --- | --- |
| 12 September 1988 | Polydor | France | 7" single | 887 847-7 |
| 12 September 1988 | Polydor | France | 12" maxi | 887 847-1 |
| 12 September 1988 | Polydor | France | CD maxi | 887 847-2 |
| 12 September 1988 | Polydor | France | 7" single - Promo | 6863 365 |
| September 1990 | Polydor | Germany | 7" single (+ Netherlands) 12" maxi, CD maxi | 887 847-7 |
| September 1990 | Polydor | Germany | CD maxi | 887 847-2 |
| September 1990 | Polydor | Canada | 7" single | POS 1022 |
| September 1990 | Polydor | Canada | 12" maxi | 887 847-1 |
| September 1990 | Polydor | Japan | 7" single - Promo | DDI-3033 |
Question:
What was the label in Japan?
Answer:
Polydor