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:
| block | episode title | director | writer | producer | code |
| 1 | voyage of the damned | james strong | russell t davies | phil collinson | 4x |
| 2 | the unicorn and the wasp planet of the ood | graeme harper | gareth roberts keith temple | susie liggat | 4.7 4.2 |
| 3 | the fires of pompeii | colin teague | james moran | phil collinson | 4.3 |
| 4 | partners in crime time crash | james strong graeme harper | russell t davies steven moffat | phil collinson | 4.1 cin2 |
| 5 | the sontaran stratagem the poison sky | douglas mackinnon | helen raynor | susie liggat | 4.4 4.5 |
| 6 | the doctor 's daughter midnight | alice troughton | stephen greenhorn russell t davies | phil collinson | 4.6 4.8 |
| 7 | silence in the library forest of the dead | euros lyn | steven moffat | phil collinson | 4.9 4.10 |
| 8 | turn left | graeme harper | russell t davies | susie liggat | 4.11 |
| 9 | the stolen earth journey 's end | graeme harper | russell t davies | phil collinson | 4.12 4.13 |
| 10 | the next doctor music of the spheres | andy goddard euros lyn | russell t davies | susie liggat catrin lewis defis | 4.14 |
Title:
doctor who (series 4)
Statement:
susie liggat was the producer or the co - producer for four of the ten episodes , or 80% of the shows
Answer:
refuted