user: Question: How many sets were lost with a 3-dart average of 87.55?
Columns: ['Player', 'Played', 'Sets Won', 'Sets Lost', 'Legs Won', 'Legs Lost', 'LWAT', '100+', '140+', '180s', 'High Checkout', '3-dart Average']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'text']
Sample row: ['Phil Taylor', 5.0, 20.0, 5.0, 68.0, 36.0, 21.0, 143.0, 88.0, 28.0, 164.0, '98.62']
SQL:

assistant: SELECT SUM("Sets Lost") FROM "Table" WHERE "3-dart Average" = '87.55';