Table:
text: 2009 Championship League Darts
Prize money won
Prize money won
Player Group_Legs_won Play_Off_Legs_won Winners_Group_Legs_won Winners_Play_Off_Legs_won Final_position_money_won_ Total_money_won
Mervyn King 100 20 23 1 £2,500 £11,900
Phil Taylor 71 22 42 10 £5,000 £17,550
Adrian Lewis 160 6 28 0 0 £11,400
Alan Tabern 87 4 0 0 0 £4,750
Colin Lloyd 114 0 0 0 0 £6,200
Mark Walsh 108 21 28 0 0 £10,300
James Wade 41 12 24 2 £2,500 £8,550
Vincent van der Voort 54 8 0 0 0 £3,500
Colin Osborne 95 10 37 12 £10,000 £21,850
Robert Thornton 30 0 0 0 0 £1,500
Andy Hamilton 26 0 0 0 0 £1,300
Dennis Priestley 24 0 0 0 0 £1,200

text: 2009 Championship League Darts
Prize money won
Prize money won
Player Group_Legs_won Play_Off_Legs_won Winners_Group_Legs_won Winners_Play_Off_Legs_won Final_position_money_won_ Total_money_won
John Part 22 0 0 0 0 £1,100
Ronnie Baxter 21 0 0 0 0 £1,050
Mark Dudbridge 41 3 0 0 0 £2,350
Wayne Mardle 36 12 20 0 0 £5,000
Denis Ovens 64 0 0 0 0 £3,200
Peter Manley 27 0 0 0 0 £1,350
Kevin Painter 61 10 0 0 0 £4,050

Question: What is the least number of playoff legs won in Championship League Darts 2009?