Table:
text: Lance Gibson
Mixed martial arts record
Mixed martial arts record
Res_ Record Opponent Method_ Event Round Time_ Location_
Loss 1-2 Dan Severn Submission (keylock) SB 5 - SuperBrawl 5 1 26:22 Guam
Win 1-1 Peter Matautia Submission (rear naked choke) SB 4 - SuperBrawl 4 1 1:33 Hawaii , United States
Loss 0-1 Bob Gilstrap TKO (rear naked choke) SB 4 - SuperBrawl 4 1 4:53 Hawaii , United States

Question: How many rounds did Lance Gibson fight on average when his record was 1-1?