user: Question: what is the number of draws when there are 4 losses and 28.6% efficiency?
Columns: ['Name', 'Period', 'Wins', 'Draws', 'Losses', 'Efficiency %']
Types: ['text', 'text', 'real', 'real', 'real', 'text']
Sample row: ['Hussein Abdullah', 'May 1999 – Dec 2000', 0.0, 1.0, 7.0, '6.3%']
SQL:

assistant: SELECT "Draws" FROM "Table" WHERE "Losses" = 4.0 AND "Efficiency %" = '28.6%';