user: Question: When the number of wickets is 29, what was the economy?
Columns: ['Player', 'County', 'Balls', 'Wickets', 'Average', 'Economy', 'BBI', '4wi', '5wi']
Types: ['text', 'text', 'real', 'real', 'text', 'text', 'text', 'real', 'real']
Sample row: ['Keith Boyce Category:Articles with hCards', 'Essex', 708.0, 26.0, '12.00', '2.54', '3/15', 0.0, 0.0]
SQL:

assistant: SELECT "Economy" FROM "Table" WHERE "Wickets" = 29.0;