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:
| Race Title | Circuit | City / State | Date | Winner | Team |
| --- | --- | --- | --- | --- | --- |
| Calder | Calder Park Raceway | Melbourne , Victoria | 8 - 10 Apr | Dick Johnson | Shell Ultra-Hi Racing |
| Launceston | Symmons Plains Raceway | Launceston , Tasmania | 11 - 13 Mar | Dick Johnson | Shell Ultra-Hi Racing |
| Winton | Winton Motor Raceway | Benalla , Victoria | 8 - 10 Apr | John Bowe | Shell Ultra-Hi Racing |
| Perth | Wanneroo Park | Perth , Western Australia | 22 - 24 Apr | Dick Johnson | Shell Ultra-Hi Racing |
| Adelaide | Adelaide International Raceway | Virginia , South Australia | 29 Apr - 1 May | Dick Johnson | Shell Ultra-Hi Racing |
| Lakeside | Lakeside International Raceway | Brisbane , Queensland | 20–22 May | Tony Longhurst | Freeport Motorsport |
| Sandown | Sandown Raceway | Melbourne, Victoria | 27–29 May | Dick Johnson | Shell Ultra-Hi Racing |
| Amaroo | Amaroo Park | Sydney , New South Wales | 17 - 19 Jun | John Bowe | Shell Ultra-Hi Racing |
| Oran Park | Oran Park Raceway | Sydney, New South Wales | 15 - 17 Jul | Dick Johnson | Shell Ultra-Hi Racing |
Question:
On what date did Dick Johnson with at Calder?
Answer:
8 - 10 Apr