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 | Rin Nakai | Decision (majority) | Pancrase 252: 20th Anniversary | 3.0 | 5:00 | Yokohama , Kanagawa Prefecture , Japan |
| Loss | 21-3 | Vanessa Porto | Decision (unanimous) | Invicta FC 3: Penne vs. Sugiyama | 3.0 | 5:00 | Kansas City, Kansas , United States |
| Win | 21-2 | Kelly Warren | Submission (armbar) | RFA 2: Yvel vs. Alexander | 3.0 | 4:59 | Kearney, Nebraska , United States |
| Win | 20-2 | Carina Damm | Submission (inverted heel hook) | Shark Fights 14: Horwich vs. Villefort | 2.0 | 0:28 | Lubbock, Texas , United States |
| Win | 19-2 | Takayo Hashi | Decision (unanimous) | DaMMAge Fight League: The Big Bang | 5.0 | 5:00 | Atlantic City, New Jersey , United States |
| Loss | 18-2 | Roxanne Modafferi | Decision (split) | Moosin: God of Martial Arts | 3.0 | 5:00 | Worcester, Massachusetts , United States |
| Win | 18-1 | Valerie Coolbaugh | Submission (rear-naked choke) | Extreme Force: "Locked In The Cage 1" | 1.0 | 3:58 | Philadelphia, Pennsylvania , United States |
| Win | 17-1 | Sally Krumdiack | Submission (kimura) | Extreme Challenge: "Mayhem At The Marina" | 3.0 | 1:45 | Atlantic City, New Jersey , United States |
| Win | 16-1 | Alexis Davis | TKO (doctor stoppage) | Extreme Challenge: "The War at the Shore" | 3.0 | 4:23 | Atlantic City, New Jersey , United States |
| Win | 15-1 | Cody Welchlin | Submission (triangle armbar) | HOOKnSHOOT: BodogFight 2007 Women's Grand Prix | 2.0 | 2:57 | Evansville, Indiana , United States |
| Win | 14-1 | Kelly Kobold | Submission (armbar) | BodogFight: Alvarez vs. Lee | 4.0 | 2:50 | Trenton, New Jersey , United States |
| Win | 13-1 | Shayna Baszler | TKO (punches) | BodogFight: Costa Rica | 2.0 | 3:15 | Costa Rica |
| Win | 12-1 | Julia Berezikova | Submission (armbar) | BodogFight: USA vs. Russia | 2.0 | 1:28 | Vancouver, British Columbia , Canada |
| Win | 11-1 | Amanda Buckner | Submission (rear-naked choke) | BodogFight: To The Brink Of War | 3.0 | 4:31 | Costa Rica |
| Win | 10-1 | Julie Kedzie | Decision (unanimous) | Ultimate Cage Wars | 3.0 | 5:00 | Chelan, Washington , United States |
| Win | 9-1 | Hitomi Akano | Decision (unanimous) | Mix Fight Championship: USA vs. Russia 3 | 3.0 | 5:00 | Atlantic City, New Jersey , United States |
| Win | 8-1 | Roxanne Modafferi | Decision (unanimous) | Mix Fight Championship: Boardwalk Blitz | 3.0 | 5:00 | Atlantic City, New Jersey , United States |
| Win | 7-1 | Kumiko Maekawa | Decision (unanimous) | Smackgirl: Lightweight Anniversary | 2.0 | 5:00 | Tokyo, Japan |
| Win | 6-1 | Megumi Yabushita | Decision (majority) | G-Shooto 02 | 2.0 | 5:00 | Tokyo, Japan |
| Win | 5-1 | Alisa Cantwell | Submission (armbar) | Xtreme Fighting Organization 4 | 1.0 | 2:45 | McHenry, Illinois , United States |
| Win | 4-1 | Linda Langerak | Submission (armbar) | HOOKnSHOOT: Evolution | 2.0 | 2:29 | Evansville, Indiana , United States |
| Loss | 3-1 | Jennifer Howe | TKO (punches) | HOOKnSHOOT: Absolute Fighting Championships 3 | 1.0 | 2:18 | Fort Lauderdale, Florida , United States |
| Win | 3-0 | Ginele Marquez | Submission (armbar) | Tennessee Shooto: Judgment | 1.0 | 4:10 | Clarksville, Tennessee , United States |
| Win | 2-0 | Angela Wilson | TKO (punches) | HOOKnSHOOT: New Wind | 1.0 | 4:51 | Evansville, Indiana , United States |
| Win | 1-0 | Shelby Walker | Submission (punches) | HOOKnSHOOT: Revolution | 1.0 | 2:43 | Evansville, Indiana , United States |
Question:
Which event is in round 1 with a record at 5-1?
Answer:
Xtreme Fighting Organization 4