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 of System | Location | Traction Type | Date (From) | Date (To) | Notes |
| --- | --- | --- | --- | --- | --- |
| ATM (1897–1917) GTA (1919–1922) | Apeldoorn | Horse | 12 August 1897 | 11 November 1917 | Apeldoornsche Tramweg-Maatschappij |
| ATM (1897–1917) GTA (1919–1922) | Apeldoorn | Petrol (gasoline) | 5 June 1919 | 8 October 1922 | Gemeentetram Apeldoorn |
| ATM (1880–1911) GETA (1911–1944) | Arnhem | Horse | 3 May 1880 | 12 June 1912 | Arnhemsche Tramweg-Maatschappij |
| HSM (1883–1910) GT (1915–1922) | Groenlo | Steam | 29 May 1883 | 31 December 1910 | Hollandshe IJzeren Spoorweg-Maatschappij |
| HSM (1883–1910) GT (1915–1922) | Groenlo | Petrol (gasoline) | 6 August 1915 | Oct 1922 | Groenlosche Tram |
| HSM (1883–1910) GT (1915–1922) | Groenlo | Horse | 1917 | 1919 | Temporary use of horses because of lack of petrol |
| NTM (1889–1912) M&W (1912–1921) GTN (1911–1955) | Nijmegen | Horse | 1889 | 1911 | Nijmeegsche Tramweg-Maatschappij |
| NTM (1889–1912) M&W (1912–1921) GTN (1911–1955) | Nijmegen | Steam | 30 June 1889 | 31 December 1921 | Stoomtram Maas en Waal |
| NTM (1889–1912) M&W (1912–1921) GTN (1911–1955) | Nijmegen | Electric | 4 June 1911 | 20 November 1955 | Gemeentetram Nijmegen Replaced by trolleybus |
| GTZ | Zaltbommel | Horse | 14 March 1910 | 31 August 1923 | Gemeentetram Zaltbommel |
Question:
what is the date (from) where date (to) is 1919?
Answer:
1917.0