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:
| Series | Monday | Tuesday | Thursday | Saturday |
| --- | --- | --- | --- | --- |
| Celebrity Big Brother 8 | Channel 5 | 5* | Channel 5 | 5* |
| Big Brother 12 | Channel 5 | 5* | Channel 5 | 5* |
| Celebrity Big Brother 9 | Channel 5 | Channel 5 | Channel 5 | 5* |
| Big Brother 13 | Channel 5 | Channel 5 | Channel 5 | 5* |
| Celebrity Big Brother 10 | Channel 5 | Channel 5 | Channel 5 | 5* |
| Celebrity Big Brother 11 | Channel 5 | Channel 5 | Channel 5 | Channel 5 |
| Big Brother 14 | Channel 5 | Channel 5 | Channel 5 | Channel 5 |
| Celebrity Big Brother 12 | Channel 5 | Channel 5 | Channel 5 | Channel 5 |
Question:
Which Thursday does big brother 13 air?
Answer:
Channel 5