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 |
| --- | --- | --- | --- | --- | --- |
| Loss | 19-12 | Duane Ludwig | TKO (strikes) | Strikeforce: Payback | 1 |
| Loss | 19-11 | Fabrício Camões | Submission (rear naked choke) | ShoXC | 1 |
| Loss | 19-10 | Paul Daley | TKO (strikes) | ShoXC | 1 |
| Loss | 19-9 | Cung Le | TKO (body kick) | Strikeforce: Four Men Enter, One Man Survives | 3 |
| Win | 19-8 | Sam Jackson | Submission (rear naked choke) | EFX: Myth in Maplewood | 1 |
| Loss | 18-8 | Forrest Petz | Decision (unanimous) | UFC Fight Night 6 | 3 |
| Win | 18-7 | Kenneth Allen | Submission (guillotine choke) | EFX: Fury | 1 |
| Win | 17-7 | Shannon Ritch | Submission (toe hold) | KOTC: The Return | 1 |
| Loss | 16-7 | Josh Burkman | KO (slam and elbows) | The Ultimate Fighter 2 Finale | 1 |
| Win | 16-6 | Duane Ludwig | KO (punches) | Ring of Fire 16 | 1 |
| Loss | 15-6 | Darin Brudigan | Submission (injury) | Ultimate Combat Sports 4 | 2 |
| Win | 15-5 | Matt Brady | Submission (armbar) | ICC: Trials 2 | 1 |
| Loss | 14-5 | Akira Kikuchi | Submission (armbar) | Shooto 2004: Kitazawa Town Hall | 1 |
| Loss | 14-4 | Manny Gamburyan | Decision (unanimous) | RSF: Shooto Challenge 2 | 3 |
| Win | 14-3 | Aaron Riley | Submission (armbar) | Shooto USA: Warrior Spirit: Evolution | 1 |
| Win | 13-3 | Alex Gasson | Technical Submission (armbar) | ROF 9: Eruption | 2 |
| Win | 12-3 | DR Williams | Submission (armbar) | IFA: Explosion | 1 |
| Win | 11-3 | Ryan Severson | Submission (armbar) | IFA: Clash of the Champions | 1 |
| Win | 10-3 | Tom Kirk | Submission (triangle choke) | ICC 2: Rebellion | 1 |
| Win | 9-3 | Brad Busho | Submission (armbar) | BRB: Bar Room Brawl | 1 |
| Win | 8-3 | Randy Zimmerman | Submission (triangle choke) | BRB: Bar Room Brawl | 1 |
| Loss | 7-3 | Billy Rush | Submission (toe hold) | ICC 1: Retribution | 1 |
| Win | 7-2 | Chad Rockwite | DQ | MCS 4: Minnesota Combat Sports 4 | 2 |
| Win | 6-2 | Mike Henery | KO | MCS 2: Minnesota Combat Sports 2 | 1 |
| Win | 5-2 | John Henery | Submission (strikes) | MCS 1: Minnesota Combat Sports 1 | 1 |
| Loss | 4-2 | Haythem Khalil | Submission (armbar) | UW: Amateurs | N/A |
| Win | 4-1 | Joe Sheppard | TKO (punches) | UW: Ultimate Wrestling Minnesota | 1 |
| Win | 3-1 | Roger Stiner | Submission | UW: Caged Fights | 1 |
| Loss | 2-1 | Adrian Serrano | Submission (armbar) | UW: Caged Fights | 1 |
| Win | 2-0 | Andy Pond | TKO (injury) | UW: St. Paul | 2 |
| Win | 1-0 | Jeff Kislowski | Submission (toe hold) | UW: Ultimate Fight Minnesota | 1 |
Question:
Who is the opponent in the fight of 1 round when the record is 18-7?
Answer:
Kenneth Allen