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:
| season | series name | champion | team champion | secondary class champion |
| 2005 | 3000 pro series | norbert siedler / max busnelli | draco junior team | iago rego rosende (master junior formula) |
| 2006 | f3000 international masters | jan charouz | charouz racing system | daniel campos - hull (master junior formula) |
| 2007 | international formula master | jérôme d'ambrosio | cram competition | isaac lópez navarro (master junior formula) |
| 2008 | international formula master | chris van der drift | jd motorsport | marcello puglisi (formula master italia) |
| 2009 | international formula master | fabio leimer | jd motorsport | alexander rossi (rookie of the year) |
Title:
international formula master
Statement:
norbert siedler / max busnelli and fabio leimer were both 3000 pro series champions before 2007
Answer:
refuted