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:
| Name | Faith | Type | Gov | Opened | Intake | DCSF number | Ofsted number | Web | Coordinates |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Ashfield | – | Junior | VC | 1845 | 60 | 3012 | 117391 | W | 51°38′22″N 0°21′26″W﻿ / ﻿51.6394°N 0.3571°W |
| Bournehall | – | Primary | CY | 1969 | 30 | 2360 | 117296 | W | 51°39′00″N 0°21′37″W﻿ / ﻿51.6499°N 0.3604°W |
| Bushey Heath | – | Primary | CY | 1879 | 30 | 2012 | 117088 | W | 51°38′12″N 0°20′29″W﻿ / ﻿51.6368°N 0.3413°W |
| Bushey Manor | – | Junior | CY | 1907 | 60 | 2261 | 117242 | W | 51°38′49″N 0°22′33″W﻿ / ﻿51.6470°N 0.3757°W |
| Falconer | – | Special | CY |  |  | 7033 | 117686 | W | 51°38′49″N 0°22′06″W﻿ / ﻿51.6470°N 0.3682°W |
| Hartsbourne | – | Primary | CY |  | 30 | 2372 | 117300 | W | 51°37′52″N 0°20′33″W﻿ / ﻿51.6312°N 0.3425°W |
| Highwood | – | Primary | CY | 1949 | 60 | 2013 | 117089 | W | 51°39′57″N 0°22′30″W﻿ / ﻿51.6658°N 0.3750°W |
| Little Reddings | – | Primary | FD |  | 51 | 5208 | 117568 | W | 51°38′51″N 0°21′22″W﻿ / ﻿51.6474°N 0.3560°W |
| Meadow Wood | – | Special | CY |  |  | 7043 | 117691 | W | 51°38′54″N 0°21′02″W﻿ / ﻿51.6483°N 0.3506°W |
| Merry Hill | – | Infants | CY | 1885 | 60 | 2014 | 117090 | W | 51°38′17″N 0°21′20″W﻿ / ﻿51.6380°N 0.3555°W |
| Sacred Heart | RC | Primary | VA | 1970 | 40 | 3415 | 117488 | W | 51°38′38″N 0°22′16″W﻿ / ﻿51.6440°N 0.3711°W |
Question:
at least how many types are there?
Answer:
4