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:
| Eliminated | Wrestler | Entered | Eliminated by | Method of elimination | Time |
| --- | --- | --- | --- | --- | --- |
| 1.0 | Wade Barrett | 3.0 | Big Show | Pinned after a KO Punch | 18:48 |
| 2.0 | Big Show | 6.0 | Kane | Pinned after a chokeslam | 20:54 |
| 3.0 | Drew McIntyre | 5.0 | Kane | Pinned after a chokeslam | 21:09 |
| 4.0 | Kane | 4.0 | Edge | Pinned after a spear | 22:50 |
| 5.0 | Rey Mysterio | 2.0 | Edge | Pinned after a spear | 31:30 |
Question:
How many entries are shown for entered at 21:09?
Answer:
1.0