user
Instruction
Answer the question based on the provided table.


Table
Table Title: 'Transfers in' regarding '1947–48 Port Vale F.C. season'
Table Content:
| Date from | Position | Nationality | Name | From | Fee | Ref. |
| --- | --- | --- | --- | --- | --- | --- |
| June 1947 | FW | England | Len Barber | Bury | Free transfer | - |
| June 1947 | MF | England | John Currie | Bournemouth and Boscombe Athletic | Free transfer | - |
| October 1947 | DF | England | Harry Hubbick | Bolton Wanderers | £1,000 | - |
| January 1948 | MF | England | Walter Keeley | Bury | Exchange | - |
| April 1948 | MF | England | Joe Dale | Manchester United | £1,000 | - |


Question
How was Joe Dale signed?


Answer Format
The final answer should be a sentence and use the following format:
```json
{
    "answer": "your_generated_sentence_here"
}
```
rule
["In the 1947–48 Port Vale F.C. season, Joe Dale was signed from Manchester United for £1,000."]