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:
| Date | Builder | Type | Operator | Number | Withdrawn | Status |
| --- | --- | --- | --- | --- | --- | --- |
| 1907 | OCC | combination sweeper / overhead line car | Saskatoon Municipal Railway | 200 | 1951 | stored |
| 1908 | OCC | streetcar | Edmonton Radial Railway | 1 | 1951 | display only |
| 1912 | StL | streetcar | Edmonton Radial Railway | 33 | 1951 | stored |
| 1912 | StL | streetcar | Edmonton Radial Railway | 42 | 1951 | Fort Edmonton Park line |
| 1914 | Preston | streetcar | Toronto Suburban Railway | 24, (later CNR 15702) | 1960s | Fort Edmonton Park line |
| 1921 | U/S | tram | Nankai Electric Railway (Osaka, Japan) | 247 | 1990 | High Level Bridge line |
| ca. 1920s | CC&F | streetcar | Regina Municipal Railway | 42 | 1950 | closed to viewing |
| 1930 | OCC | streetcar | Edmonton Radial Railway | 80 | 1951 | Fort Edmonton Park line |
| 1947 | PTC | W6 Class tram | Melbourne and Metropolitan Tramways Board | 930 | 1997 | High Level Bridge line |
| 1951 | CC&F | PCC streetcar | Toronto Transit Commission | 4612 | 1995 | Fort Edmonton Park line |
Question:
List the number of builders where the withdrawn is 1951 and number is 42.
Answer:
1.0