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:
| Result | Opponent | Method | Event | Round | Location |
| --- | --- | --- | --- | --- | --- |
| No contest | Dževad Poturak | No contest (punch after knockdown) | Elite Kickboxing | 1.0 | Las Vegas, Nevada, USA |
| No contest | Ramazan Ramazanov | No contest (ring invasion) | Planet Battle VI | 2.0 | Wan Chai, Hong Kong |
| Win | Carter Williams | TKO (low kicks) | Planet Battle V | 2.0 | Hong Kong |
| Win | Bob Sapp | Decision | Planet Battle IV | 3.0 | Wan Chai, Hong Kong |
| Win | Eduardo Maiorino | KO (punches) | Planet Battle III | 1.0 | Hong Kong |
| Loss | Brian Douwes | KO (Knee) | Planet Battle II | 3.0 | Hong Kong |
| Win | Michael McDonald | Decision | Planet Battle I | 3.0 | Hong Kong |
Question:
How many rounds was the fight against carter williams?
Answer:
2.0