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:
| Edition | Round | Date | Partnering | Against | Surface | Opponents | W/L | Result |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2004 Davis Cup | 1R | 6–8 February 2004 | Tommy Robredo | Czech Republic | Carpet (i) | Jiří Novák Radek Štěpánek | Lose | 6–4, 7–6 (8–6) , 6–3 |
| 2004 Davis Cup | QF | 9–11 April 2004 | Tommy Robredo | The Netherlands | Clay | John Van Lottum Martin Verkerk | Lose | 3–6, 2–6, 6–3, 6–3, 6–2 |
| 2004 Davis Cup | SF | 24–26 September 2004 | Tommy Robredo | France | Clay | Arnaud Clément Michaël Llodra | Win | 7–6 (7–4) , 4–6, 6–2, 2–6, 6–3 |
| 2005 Davis Cup | 1R | 4–6 March 2005 | Albert Costa | Slovakia | Clay | Karol Beck Michal Mertiňák | Lose | 7–6 (7–3) , 6–4, 7–6 (10–8) |
| 2005 Davis Cup | WG PO | 23–25 September 2005 | Feliciano López | Italy | Clay | Daniele Bracciali Giorgio Galimberti | Lose | 4–6, 6–4, 6–3, 4–6, 9–7 |
| 2006 Davis Cup | WG PO | 22–24 September 2006 | Fernando Verdasco | Italy | Clay | Daniele Bracciali Giorgio Galimberti | Win | 6–2, 3–6, 6–3, 7–6 (7–4) |
Question:
Name the round for john van lottum martin verkerk
Answer:
QF