Table:
text: 2009–10 Celtic F.C. season
Top scorers
Top scorers
R Player Scottish_Premier_League Scottish_Cup Scottish_League_Cup Champions_League_qualifying Europa_League Total
1 Robbie Keane 12 0 4 0 0 16
2 Scott McDonald 10 2 0 1 1 14
3 Georgios Samaras 10 0 0 1 2 13
4 Marc-Antoine Fortuné 10 0 0 0 2 12
5 Aiden McGeady 7 0 0 0 0 7
6 Shaun Maloney 4 0 0 0 0 4
11 Patrick McCourt 2 0 1 0 0 3
11 Niall McGinn 2 1 0 0 0 3
11 Glenn Loovens 3 0 0 0 0 3
11 Josh Thompson 3 0 0 0 0 3
11 Diomansy Kamara 2 1 0 0 0 3

text: 2009–10 Celtic F.C. season
Top scorers
Top scorers
R Player Scottish_Premier_League Scottish_Cup Scottish_League_Cup Champions_League_qualifying Europa_League Total
12 Morten Rasmussen 2 0 0 0 0 2
18 Paul McGowan 0 0 0 0 1 1
18 Scott Brown 1 0 0 0 0 1
18 Darren O`Dea 1 0 0 0 0 1
18 James Forrest 1 0 0 0 0 1
18 Lee Naylor 1 0 0 0 0 1

Question: Name the least European league for Celtic FC's 2009-10 season?