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:
| Region | Year | Label | Format | Catalog |
| --- | --- | --- | --- | --- |
| United States | May 1974 | Strata-East Records | stereo vinyl LP | SES-19742 |
| Germany | 1992 | Bellaphon Records | CD | 660-51-015 |
| United Kingdom | 1996 | Snapper Music , Charly Records | digipack CD | SNAP103CD |
| United States | March 10, 1998 | Rumal-Gia Records, TVT Records | CD | TVT-4320-2 |
| United States | 1998 | Rumal-Gia, TVT | remastered LP | TVT-4320 |
| Italy | 2001 | Get Back Records | CD | GET-8004 |
| Italy | 2004 | Get Back | remastered LP | GET-98004 |
Question:
What was the format for catalog 660-51-015?
Answer:
CD