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:
| KK - 1 | KK - 2 | KK - 3 | KK - 4 | KK - 5 | KK - 6 | KK - 7 |
| --- | --- | --- | --- | --- | --- | --- |
| BWR | BWR | BWR | BWR | BWR | ABWR | ABWR |
| 1,067 | 1,067 | 1,067 | 1,067 | 1,067 | 1,315 | 1,315 |
| 1,100 | 1,100 | 1,100 | 1,100 | 1,100 | 1,356 | 1,356 |
| 6/5/1980 | 11/18/1985 | 3/7/1989 | 3/5/1990 | 6/20/1985 | 11/3/1992 | 7/1/1993 |
| 12/12/1984 | 11/30/1989 | 10/19/1992 | 11/01/1993 | 7/20/1989 | 12/18/1995 | 11/01/1996 |
| 9/18/1985 | 9/28/1990 | 8/11/1993 | 8/11/1994 | 4/10/1990 | 11/7/1996 | 7/2/1997 |
| 330 | 360 | 310 | 310 | 420 | 310 | 280 |
| Toshiba | Toshiba | Toshiba | Hitachi | Hitachi | Hitachi/Toshiba/ GE | Hitachi/Toshiba/ GE |
Question:
What is KK -5 if KK - 3 is 310?
Answer:
420.0