Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| No. | Constituency | Created | Seats | Change |
| --- | --- | --- | --- | --- |
| 01 | Carlow–Kilkenny | 1948 | 5 | none |
| 02 | Cavan–Monaghan | 1977 | 5 | none |
| 03 | Clare | 1921 | 4 | none |
| 04 | Cork East | 1981 | 4 | none |
| 05 | Cork North–Central | 1981 | 4 | minus 1 |
| 06 | Cork North–West | 1981 | 3 | none |
| 07 | Cork South–Central | 1981 | 5 | none |
| 08 | Cork South–West | 1961 | 3 | none |
| 09 | Donegal North–East | 1981 | 3 | none |
| 10 | Donegal South–West | 1981 | 3 | none |
| 11 | Dublin Central | 1981 | 4 | none |
| 12 | Dublin Mid–West | 2002 | 4 | plus 1 |
| 13 | Dublin North | 1981 | 4 | none |
| 14 | Dublin North–Central | 1948 | 3 | minus 1 |
| 15 | Dublin North–East | 1981 | 3 | none |
| 16 | Dublin North–West | 1981 | 3 | none |
| 17 | Dublin South | 1981 | 5 | none |
| 18 | Dublin South–Central | 1948 | 5 | none |
| 19 | Dublin South–East | 1948 | 4 | none |
| 20 | Dublin South–West | 1981 | 4 | none |
| 21 | Dublin West | 1981 | 3 | none |
| 22 | Dún Laoghaire | 1977 | 5 | none |
| 23 | Galway East | 1977 | 4 | none |
| 24 | Galway West | 1937 | 5 | none |
| 25 | Kerry North | 1969 | 3 | none |
| 26 | Kerry South | 1937 | 3 | none |
| 27 | Kildare North | 1997 | 4 | plus 1 |
| 28 | Kildare South | 1997 | 3 | none |
| 29 | Laois–Offaly | 2007 | 5 | plus 5 |
| 30 | Limerick East | 1948 | 5 | none |
| 31 | Limerick West | 1948 | 3 | none |
| 32 | Longford–Westmeath | 2007 | 4 | plus 4 |
| 33 | Louth | 1923 | 4 | none |
| 34 | Mayo | 1997 | 5 | none |
| 35 | Meath East | 2007 | 3 | plus 3 |
| 36 | Meath West | 2007 | 3 | plus 3 |
| 37 | Roscommon–South Leitrim | 2007 | 3 | plus 3 |
| 38 | Sligo–North Leitrim | 2007 | 3 | plus 3 |
| 39 | Tipperary North | 1948 | 3 | none |
| 40 | Tipperary South | 1948 | 3 | none |
| 41 | Waterford | 1923 | 4 | none |
| 42 | Wexford | 1921 | 5 | none |
| 43 | Wicklow | 1923 | 5 | none |
Question:
how many constituencies are older than carlow-kilkenny?
Answer:
7