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 |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Win | 13–5 (1) | Evgeny Erokhin | Decision (split) | FEFoMP: Mayor cup 2013 | 3.0 | 5:00 | Yuzhno-Sakhalinsk , Russia |
| Loss | 12–5 (1) | Alexander Volkov | Decision (unanimous) | Bellator 75 | 3.0 | 5:00 | Hammond, Indiana , United States |
| Win | 12–4 (1) | Kevin Asplund | TKO (doctor stoppage) | Bellator 71 | 2.0 | 5:00 | Chester, West Virginia , United States |
| NC | 11–4 (1) | Todd Allee | NC (illegal blow to back of head) | IFL 45: My Bloody Valentine | 1.0 | 1:18 | Auburn Hills, Michigan , United States |
| Loss | 11–4 | Eddie Sanchez | Decision (split) | Titan Fighting Championships 20 | 3.0 | 5:00 | Kansas City, Kansas , United States |
| Loss | 11–3 | Josh Barnett | Submission (arm-triangle choke) | Strikeforce: Overeem vs. Werdum | 2.0 | 1:17 | Dallas, Texas , United States |
| Win | 11–2 | Ruben Villareal | Decision (unanimous) | W-1 MMA 6: New Ground | 3.0 | 5:00 | Halifax, Nova Scotia , Canada |
| Loss | 10–2 | Alistair Overeem | TKO (punches) | Strikeforce: Heavy Artillery | 1.0 | 3:40 | St. Louis, Missouri , United States |
| Loss | 10–1 | Fedor Emelianenko | KO (punch) | Strikeforce: Fedor vs. Rogers | 2.0 | 1:48 | Hoffman Estates, Illinois , United States |
| Win | 10–0 | Andrei Arlovski | TKO (punches) | Strikeforce: Lawler vs. Shields | 1.0 | 0:22 | St. Louis, Missouri , United States |
| Win | 9–0 | Abongo Humphrey | TKO (knees) | Strikeforce: Shamrock vs. Diaz | 2.0 | 1:38 | San Jose, California , United States |
| Win | 8–0 | Jon Murphy | KO (punch) | EliteXC: Primetime | 1.0 | 1:01 | Newark, New Jersey , United States |
| Win | 7–0 | James Thompson | KO (punches) | EliteXC: Street Certified | 1.0 | 2:24 | Sunrise, Florida , United States |
| Win | 6–0 | Ralph Kelly | Submission (punches) | EliteXC: Renegade | 1.0 | 1:43 | Corpus Christi, Texas , United States |
| Win | 5–0 | Josh Melichar | KO (punches) | EFX: Fury | 1.0 | 0:12 | Minneapolis, Minnesota , United States |
| Win | 4–0 | Mark Racine | TKO (punches) | EFX: Fury | 1.0 | 2:35 | Minnesota , United States |
| Win | 3–0 | Brian Heden | KO (punches) | EFX: Fury | 1.0 | 1:20 | Minneapolis, Minnesota , United States |
| Win | 2–0 | Chris Clark | TKO (punches) | EFX: Fury | 1.0 | 0:37 | Minnesota , United States |
| Win | 1–0 | Stan Strong | KO (punches) | UCS: Throwdown at the T-Bar | 2.0 | 0:13 | Ellsworth, Minnesota , United States |
Question:
How many rounds did Brett go for the Strikeforce: Shamrock vs. Diaz match?
Answer:
2.0