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

Question: At what time did the opponent Takaichi Hirayama have an event?
SQL: SELECT "time" FROM rafael_dos_anjos_fights WHERE "opponent" = 'takaichi hirayama'

Question: In which round was Gabriel Veiga the opponent?
SQL: SELECT "round" FROM rafael_dos_anjos_fights WHERE "opponent" = 'gabriel veiga'

Question: Which method had a 3 rounds, result in a loss and the Juiz de Fora - fight 1 event?
SQL: SELECT "method" FROM rafael_dos_anjos_fights WHERE "round" = '3' AND "res" = 'loss' AND "event" = 'juiz de fora - fight 1'

Question: Which opponent has a record of 4-2?
SQL: SELECT "opponent" FROM rafael_dos_anjos_fights WHERE "record" = '4-2'