Table:
text: Jake Rosenzweig
Career summary
Career summary
Season Series Team Races Wins Poles F_Laps Podiums Points Position_
2008 Formula Renault 2.0 WEC Epsilon Euskadi 15 0 0 1 0 30 9th
2008 Formula Renault 2.0 Eurocup Epsilon Euskadi 14 0 0 0 0 2 28th
2008 Porsche Carrera Cup Great Britain Team Parker Racing 6 0 0 1 0 0 N/A†
2008 Rolex Sports Car Series – GT Alegra Motorsports 1 0 0 0 0 1 106th
2009 Formula 3 Euro Series Carlin Motorsport 20 0 0 0 1 6 18th
2009 British Formula Three Carlin Motorsport 2 0 0 0 0 0 N/A

Question: Under Jake Rosenzweig, what's the number of seasons for 18th place?