Table:
year
single
peak chart positions
album

us dance
aus
ire
nor
swe
uk

1991
peace
-
24
14
-
23
8
peace

friendship
30
64
-
9
-
58

1992
i wanna sing
-
115
-
-
-
46

gypsy woman / peace remixes
-
-
-
-
-
35
red hot + dance

1993
you got me
-
-
-
-
-
-
singles only

1994
satisfy my love
-
-
-
-
-
62

1995
free, gay & happy
-
152
-
-
-
50

1998
reasons
31
-
-
-
-
-
yum yum

2001
lift you up
-
-
-
-
-
-
single only

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

Statement: in 1991, sabrina johnston's "peace", reached the top 10 in the uk singles chart.
Question: when did the single"peace" release?
Answer: [1991.0]