| 1 | A | B | C | D | E | F | G | H | I |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | singles |  |  |  |  |  |  |  |  |
| 3 | year | single | peak chart positions |  |  |  |  |  | album |
| 4 |  |  | us dance | aus | ire | nor | swe | uk |  |
| 5 | 1991 | peace | - | 24 | 14 | - | 23 | 8 | peace |
| 6 |  | friendship | 30 | 64 | - | 9 | - | 58 |  |
| 7 | 1992 | i wanna sing | - | 115 | - | - | - | 46 |  |
| 8 |  | gypsy woman / peace remixes | - | - | - | - | - | 35 | red hot + dance |
| 9 | 1993 | you got me | - | - | - | - | - | - | singles only |
| 10 | 1994 | satisfy my love | - | - | - | - | - | 62 |  |
| 11 | 1995 | free, gay & happy | - | 152 | - | - | - | 50 |  |
| 12 | 1998 | reasons | 31 | - | - | - | - | - | yum yum |
| 13 | 2001 | lift you up | - | - | - | - | - | - | single only |
| 14 | "-" denotes releases that did not chart or were not released |  |  |  |  |  |  |  |  |

Question: when did the single"peace" release?
Answer: 1991