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:
| Name | Country | Status | Moving to | Transfer fee |
| --- | --- | --- | --- | --- |
| Solano | PER | Transferred | Released | Free |
| Zamora | ENG | Transferred | Fulham | £4.8m |
| Paintsil | GHA | Transferred | Fulham | £1.5m |
| Wright | ENG | Transferred | Ipswich Town | £0.5m |
| Ljungberg | SWE | Transferred | Released | Free |
| Ferdinand | ENG | Transferred | Sunderland | £8m |
| McCartney | NIR | Transferred | Sunderland | £6m |
| Blackmore | ENG | Loaned | Thurrock | N/A |
| Jeffery | ENG | Loaned | Leyton Orient | N/A |
| Payne | ENG | Loaned | Cheltenham Town | N/A |
| Quashie | SCO | Loaned | Birmingham City | N/A |
| Miller | ENG | Loaned | Bishop's Stortford | N/A |
| N'Gala | ENG | Loaned | MK Dons | N/A |
| Spence | ENG | Loaned | Leyton Orient | N/A |
| Reid | ENG | Loaned | Blackpool | N/A |
| Walker | ENG | Loaned | Colchester United | N/A |
| Tomkins | ENG | Loaned | Derby County | N/A |
| Stanislas | ENG | Loaned | Southend | N/A |
| Etherington | ENG | Transferred | Stoke | Undisclosed |
Question:
What is the transfer fee for the country that has the name McCartney listed?
Answer:
£6m