Table:
title
year
peak chart positions
sales
album

kor
us world
uk
sct
fra
hun

gaon
hot 100

as lead artist

awake
2016
31
-
6
-
-
-
-
kor: 105,382
wings

epiphany
2018
30
5
4
54
60
61
30
us: 10,000
love yourself: answer

soundtrack appearances

it's definitely you
2016
34
-
8
-
-
-
-
kor: 76,657
hwarang: the poet warrior youth ost

"-" denotes releases that did not chart or were not released in that region

Statement: in 2018, the second solo by kim, "epiphany" from the album love yourself: answer was released.
Question: when did the single "epiphany" release?
Answer: [2018.0]