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 | Event | Round | Time | Location |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Loss | 21-4(1) | Mark Hunt | KO (punch) | UFC 127 | 2.0 | 1:41 | Sydney , Australia |
| Loss | 21-3(1) | Brendan Schaub | TKO (punches) | UFC 116 | 1.0 | 1:07 | Las Vegas, Nevada , United States |
| Win | 21-2(1) | Tim Hague | Decision (majority) | UFC 109 | 3.0 | 5:00 | Las Vegas, Nevada , United States |
| Loss | 20-2(1) | Gabriel Gonzaga | TKO (punches) | UFC 102 | 1.0 | 2:27 | Portland, Oregon , United States |
| Win | 20-1(1) | Jamie Klair | TKO (punches) | SNMMA: Extreme Beatdown | 1.0 | 2:19 | Phoenix, Arizona , United States |
| Win | 19-1(1) | Branden Lee Hinkle | TKO (punches) | SNMMA: Beatdown at 4 Bears | 4.0 | 4:43 | New Town, North Dakota , United States |
| Win | 18-1(1) | Tony Mendoza | Submission (armbar) | Max Fights 4 | 1.0 | 2:43 | North Dakota , United States |
| Loss | 17-1(1) | Travis Wiuff | Decision (unanimous) | YAMMA Pit Fighting | 3.0 | 5:00 | Atlantic City, New Jersey , United States |
| Win | 17-0(1) | Alexey Oleinik | Decision (unanimous) | YAMMA Pit Fighting | 1.0 | 5:00 | Atlantic City, New Jersey , United States |
| Win | 16-0(1) | Tony Sylvester | Decision (unanimous) | YAMMA Pit Fighting | 1.0 | 5:00 | Atlantic City, New Jersey , United States |
| Win | 15-0(1) | Travis Fulton | Decision (unanimous) | Max Fights 2 | 3.0 | 5:00 | Fargo, North Dakota , United States |
| Win | 14-0(1) | Jimmy Ambriz | Submission (rear naked choke) | Extreme Challenge 85 | 1.0 | 4:43 | Bismarck, North Dakota , United States |
| Win | 13-0(1) | Matt Eckerle | TKO (punches) | DFC 9: Dakota vs. the World | 1.0 | 2:17 | Grand Forks, North Dakota , United States |
| Win | 12-0(1) | Chuck Grigsby | TKO (punches) | DFC 8: Proving Grounds | 1.0 | 3:49 | Fargo, North Dakota , United States |
| Win | 11-0(1) | Demian Decorah | TKO (punches) | DFC 7: Revolution | 1.0 | 4:24 | Bismarck, North Dakota , United States |
| NC | 10-0(1) | Josh Hendricks | No Contest - Overturned by commission | Fightfest 2 | 1.0 | N/A | Canton, Ohio , United States |
| Win | 10-0 | Ed Myers | TKO (punches) | Royce Gracie Fightfest 1 | 1.0 | 1:05 | Evansville, Indiana , United States |
| Win | 9-0 | Jim Dobson | TKO (punches) | DFC 5: Legends of the Falls | 1.0 | 0:55 | Thief River Falls, Minnesota , United States |
| Win | 8-0 | Matt Lafromboise | Submission (punches) | NFA: Last Dam Fights | 1.0 | 1:44 | Fargo, North Dakota , United States |
| Win | 7-0 | Chris Clark | Submission (punches) | DFC 4: Nowhere to Run | 1.0 | 1:06 | Fargo, North Dakota , United States |
| Win | 6-0 | Jason Miller | Submission (punches) | NFA: Throwdown in Jamestown 2 | 1.0 | 0:18 | Fargo, North Dakota , United States |
| Win | 5-0 | Karl Knothe | Submission (rear-naked choke) | Cage Fighting Xtreme 3 | 2.0 | N/A | Brainerd, Minnesota , United States |
| Win | 4-0 | Marc Zee | TKO (punches) | DFC 3 - Submission Impossible | 1.0 | 2:25 | Fargo, North Dakota , United States |
| Win | 3-0 | Noah Inhofer | TKO (punches) | DFC 2 - Reloaded | 1.0 | 2:02 | Fargo, North Dakota , United States |
| Win | 2-0 | Krzysztof Soszynski | Decision (unanimous) | NFA: Title Trials | 3.0 | 3:00 | Moorhead, Minnesota , United States |
| Win | 1-0 | Sean Cooke | Submission (choke) | Dakota Fighting Championships 1 | 1.0 | 0:28 | Fargo, North Dakota , United States |
Question:
At what event did he fight matt eckerle?
Answer:
DFC 9: Dakota vs. the World