Table:
text: LaVerne Clark
Mixed martial arts record
Mixed martial arts record
Res_ Record Opponent Method_ Event Round Location_
Win 25-16-1 Matt Kelly TKO CFC 12 - Courage Fighting Championships 12 1 Decatur , Illinois , United States
Win 24-16-1 Aaron Smith Submission (strikes) CFC 11 - Courage Fighting Championships 11 1 Champaign , Illinois , United States
Win 23-16-1 Zeke Shiling Submission (rear naked choke) CFC 9 - Courage Fighting Championships 9 1 Indiana , United States
Loss 22-16-1 Aaron Wetherspoon Submission (armbar) KOTC - Sinister 1 California , United States
Loss 22-15-1 Chris Wilson Submission (triangle choke) SF 17 - Hot Zone 1 Oregon , United States
Win 22-14-1 Victor Moreno Decision (unanimous) KOTC - Redemption on the River 3 Illinois , United States

Question: What was the solution method when LaVerne Clark's record was 23-16-1?