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:
| Res. | Record | Opponent | Method | Round | Time | Location |
| --- | --- | --- | --- | --- | --- | --- |
| Loss | 21–9 | Cub Swanson | TKO (punches) | 3.0 | 2:24 | Las Vegas, Nevada , United States |
| Win | 21–8 | Nam Phan | Decision (unanimous) | 3.0 | 5:00 | Seattle, Washington , United States |
| Win | 20–8 | Diego Nunes | Decision (unanimous) | 3.0 | 5:00 | Stockholm , Sweden |
| Loss | 19–8 | Donald Cerrone | Submission (rear-naked choke) | 1.0 | 2:22 | Las Vegas, Nevada , United States |
| Win | 19–7 | Matt Wiman | Decision (unanimous) | 3.0 | 5:00 | Las Vegas, Nevada , United States |
| Win | 18–7 | George Sotiropoulos | Decision (unanimous) | 3.0 | 5:00 | Sydney , Australia |
| Win | 17–7 | Andre Winner | Submission (rear-naked choke) | 1.0 | 3:37 | Oberhausen , Germany |
| Win | 16–7 | Spencer Fisher | Decision (unanimous) | 3.0 | 5:00 | Las Vegas, Nevada , United States |
| Loss | 15–7 | Ross Pearson | Decision (unanimous) | 3.0 | 5:00 | Charlotte, North Carolina , United States |
| Win | 15–6 | Paul Kelly | TKO (spinning back kick and punches) | 2.0 | 2:53 | Manchester , England |
| Win | 14–6 | Dale Hartt | Submission (rear-naked choke) | 1.0 | 3:23 | Cologne , Germany |
| Win | 13–6 | Nate Mohr | TKO (spinning back kick and punches) | 3.0 | 3:27 | Dublin , Ireland |
| Win | 12–6 | Chas Jacquier | Submission (guillotine choke) | 1.0 | 4:21 | Darmstadt , Germany |
| Loss | 11–6 | Melvin Guillard | TKO (punches) | 1.0 | 0:36 | Las Vegas, Nevada , United States |
| Loss | 11–5 | Gray Maynard | Decision (unanimous) | 3.0 | 5:00 | Las Vegas, Nevada , United States |
| Win | 11–4 | Naoyuki Kotani | KO (punch) | 2.0 | 2:04 | London , England |
| Loss | 10–4 | Jess Liaudin | Submission (armbar) | 1.0 | 1:21 | Manchester , England |
| Win | 10–3 | Jim Wallhead | Submission (armbar) | 2.0 | 3:31 | Nottingham , England |
| Win | 9–3 | Said Khalilov | Decision (split) | 3.0 | 5:00 | Koper , Slovenia |
| Win | 8–3 | Paul Jenkins | Submission (heel hook) | 2.0 | 3:42 | Koper , Slovenia |
| Loss | 7–3 | Daniel Weichel | Submission (rear-naked choke) | 1.0 | N/A | Darmstadt , Germany |
| Loss | 7–2 | Arni Isaksson | Submission (armbar) | 2.0 | 4:23 | Liverpool , England |
| Win | 7–1 | Adrian Degorski | Submission (armbar) | 2.0 | 1:59 | Liverpool , England |
| Win | 6–1 | Jonas Ericsson | TKO (punches) | 1.0 | 0:35 | Liverpool , England |
| Loss | 5–1 | Fabricio Nascimento | Submission (kimura) | 1.0 | 0:47 | Sweden |
| Win | 5–0 | Maciej Luczak | Submission (strikes) | 2.0 | N/A | Germany |
| Win | 4–0 | Dylan van Kooten | Submission (choke) | 1.0 | N/A | Düsseldorf , Germany |
| Win | 3–0 | Kenneth Rosfort-Nees | TKO (cut) | 1.0 | 5:00 | Stockholm , Sweden |
| Win | 2–0 | Mohamed Omar | Decision (unanimous) | 3.0 | 5:00 | Trier , Germany |
| Win | 1–0 | Kordian Szukala | Submission (strikes) | 1.0 | 0:17 | Lübbecke , Germany |
Question:
What was the method of resolution for the fight against dale hartt?
Answer:
Submission (rear-naked choke)