Table: fighter_match_6
Columns: res
record
opponent
method
event
round
time
location

Question: Which opponent has a record of 3–1?
SQL: SELECT "opponent" FROM fighter_match_6 WHERE "record" = '3–1'

Question: What event has a Record of 4–2?
SQL: SELECT "event" FROM fighter_match_6 WHERE "record" = '4–2'

Question: Which Opponent has a Time of 0:38?
SQL: SELECT "opponent" FROM fighter_match_6 WHERE "time" = '0:38'