Table: fighter_results_8
Columns: res
record
opponent
method
event
round
time
location

Question: How many rounds did the event rings: king of kings 2000 block a have with a record of 6-1?
SQL: SELECT "round" FROM fighter_results_8 WHERE "event" = 'rings: king of kings 2000 block a' AND "record" = '6-1'

Question: How long was the fight 'adrenaline mma 3'?
SQL: SELECT "time" FROM fighter_results_8 WHERE "event" = 'adrenaline mma 3'

Question: What was roberto travern's record when he fought against john salter?
SQL: SELECT "record" FROM fighter_results_8 WHERE "opponent" = 'john salter'