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:
| year | designated grand prix | track | 250 cc | 350 cc | 500 cc | report |
| 1948 | ulster grand prix | clady | maurice cann | freddie frith | enrico lorenzetti | report |
| 1947 | swiss grand prix | bremgarten | bruno francisci | fergus anderson | omobono tenni | report |
| 1946 - 1938 | not held | not held | not held | not held | not held | not held |
| 1937 | swiss grand prix | bremgarten | omobono tenni | jimmie guthrie | jimmie guthrie | report |
| 1936 | german grand prix | sachsenring | henry tyrell - smith | freddie frith | jimmie guthrie | report |
| 1935 | ulster grand prix | clady | arthur geiß | wal handley | jimmie guthrie | report |
| 1934 | dutch tt | assen | walfried winkler | jimmie simpson | pol demeuter | report |
| 1933 | swedish grand prix | saxtorp | charlie dodson | jimmie simpson | gunnar kalén | report |
| 1932 | nations grand prix | littorio | riccardo brusi | louis jeannin | piero taruffi | report |
| 1931 | french grand prix | montlhéry | graham walker | ernie nott | percy hunt | report |
| 1930 | belgian grand prix | spa - francorchamps | syd crabtree | ernie nott | henry tyrell - smith | report |
| 1929 | spanish grand prix | granollers | frank longman | leo davenport | percy hunt | report |
| 1928 | swiss grand prix | meyrin | cecil ashby | wal handley | wal handley | report |
| 1927 | german grand prix | nürburgring | cecil ashby | jimmie simpson | graham walker | report |
| 1926 | belgian grand prix | spa - francorchamps | jock porter | frank longman | jimmie simpson | report |
| 1925 | nations grand prix | monza | jock porter | tazio nuvolari | mario revelli | report |
| 1924 | nations grand prix | monza | maurice van geert | jimmie simpson | guido mentasti | report |
Title:
european motorcycle grand prix
Statement:
jock porter won the 250cc two times , each time on a different track
Answer:
supported