So
- 1988
Are You Sure 
- So entered the UK charts on 24 January 1988, spent 5 weeks in the charts and reached number 62.
- 1988
- Are You Sure - So entered the US charts on 20 February 1988, spent 11 weeks in the charts and reached number 41.
Are You Sure - So entered the UK charts on 24 January 1988, spent 5 weeks in the charts and reached number 62.Are You Sure - So entered the US charts on 20 February 1988, spent 11 weeks in the charts and reached number 41.