user: ### NOW ANSWER:
Question: In 2009, what Appearances had a Winning Percentage of less than 0?
Columns: ['Appearances', 'Team', 'Wins', 'Losses', 'Winning percentage', 'Season(s)']
Types: ['real', 'text', 'real', 'real', 'real', 'text']
Sample row: [2.0, 'Sacramento Rivercats', 2.0, 0.0, 1.0, '2007, 2008']
SQL:

assistant: SELECT AVG("Appearances") FROM "Table" WHERE "Season(s)" = '2009' AND "Winning percentage" < 0.0;