Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| length / fuel | model | year built | quantity | floor styling | wheelchair access |
| 40ft / diesel bus | neoplan an440 | 2000 - 2003 | 206 | high | yes |
| 40ft / diesel - electric hybrid bus | orion bus vii | 2007 | 56 | semi - low | yes |
| 30ft / diesel - electric hybrid bus | orion bus vii | 2007 | 30 | semi - low | yes |
| 60ft / articulated diesel bus | neoplan an460 | 2002 - 2003 | 124 | high | yes |
| 40ft / diesel - electric hybrid bus | new flyer industries xde40 | 2013 | 62 | semi - low | yes |
| 40ft / trolleybus | eti 14trsf | 2001 - 2003 (first two were built in 1999) | 240 | high | yes |
| 60ft / articulated trolleybus | new flyer e60hf | 1992 - 1994 | 28 | high | yes |
| 60ft / articulated trolleybus | eti 15trsf | 2003 | 33 | high | yes |
| light - rail vehicle | breda lrv2 / lrv3 | 1997 - 2003 | 151 | high | yes , at certain stops |
| historic streetcar | pcc | 1946 - 1952 | 32 | high | yes , at most f - line stops |
| historic streetcar | peter witt | 1928 | 11 | high | yes , at most f - line stops |
| historic streetcar | various | 1912 - | 7 | high | yes , at most f - line stops |
| cable car | various | 1873 - | 40 | high | no |
Title:
san francisco municipal railway fleet
Statement:
san francisco has three historic streetcars still in use
Answer:
supported