| 1 | A | B | C | D | E | F | G | H | I | J | K | L |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | singles |  |  |  |  |  |  |  |  |  |  |  |
| 3 | year | single | peak chart positions |  |  |  |  |  |  |  | certifications | album |
| 4 |  |  | us | us r&b | us a/c | aus | ger | nld | nz | uk |  |  |
| 5 | 1990 | i just can't handle it | - | 3 | - | - | - | - | 20 | - | none | hi-five |
| 6 | 1991 | i like the way | 1 | 1 | 42 | 47 | 41 | 47 | 43 | 43 | us: gold |  |
| 7 |  | i can't wait another minute | 8 | 1 | 30 | - | - | - | - | - | none |  |
| 8 |  | just another girlfriend | 88 | 41 | - | - | - | - | - | - | none |  |
| 9 | 1992 | she's playing hard to get | 5 | 2 | - | 46 | - | 76 | 14 | 55 | none | keep it goin' on |
| 10 |  | quality time | 38 | 3 | - | - | - | - | 36 | - | none |  |
| 11 | 1993 | mary, mary | - | 50 | - | - | - | - | - | - | none |  |
| 12 |  | unconditional love | 92 | 21 | - | - | - | - | - | - | none | faithful |
| 13 |  | never should've let you go | 30 | 10 | - | - | - | - | 38 | - | none |  |
| 14 | 1994 | faithful | - | 52 | - | - | - | - | - | - | none |  |
| 15 |  | what can i say to you | - | 13 | - | - | - | - | - | - | none |  |
| 16 | 2012 | favorite girl | - | 36 | - | - | - | - | - | - | none | legacy |
| 17 | 2013 | you never know | - | - | - | - | - | - | - | - | none |  |
| 18 | 2014 | it's nothing | - | - | - | - | - | - | - | - | none |  |
| 19 | 2015 | different kiss | - | - | - | - | - | - | - | - | none |  |
| 20 |  | sunshine | - | - | - | - | - | - | - | - | none |  |
| 21 |  | christmas | - | - | - | - | - | - | - | - | none |  |
| 22 | 2016 | kit kat | - | - | - | - | - | - | - | - | none |  |
| 23 | "-" denotes a recording that did not chart or was not released in that territory |  |  |  |  |  |  |  |  |  |  |  |

Question: what was the peak chart position on the us r&b of unconditional love?
Answer: 21