Table:
text: Doug Marshall
Mixed martial arts record
Mixed martial arts record
Res_ Record Opponent Method_ Event Round Time_ Location_
Loss 8-3 Brian Stann KO (punches) WEC 33 1 1:35 Las Vegas, Nevada , United States
Win 8-2 Ariel Gandulla Submission (armbar) WEC 31 1 0:55 Las Vegas, Nevada , United States
Win 7-2 Justin McElfresh KO (punch) WEC 27 1 2:16 Las Vegas, Nevada , United States
Win 6-2 Lodune Sincaid TKO (punches) WEC 23 2 0:51 Lemoore, California , United States
Win 5-2 Jeff Terry TKO (punches) WEC 22 1 1:50 Lemoore, California , United States
Loss 4-2 Tim McKenzie TKO (strikes) WEC 19 1 3:35 Lemoore, California , United States
Loss 4-1 James Irvin KO (knee) WEC 15 2 0:45 Lemoore, California , United States

Question: What is the method when Doug Marshall's time is 0:51?