user: Question: What is the least amount of blank ends for a skip who has 44 PF? 
Columns: ['Skip (Club)', 'W', 'L', 'PF', 'PA', 'Ends Won', 'Ends Lost', 'Blank Ends', 'Stolen Ends']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Andrea Kelly (Gage Golf and Curling Club)', 7.0, 0.0, 57.0, 28.0, 33.0, 20.0, 9.0, 12.0]
SQL:

assistant: SELECT MIN("Blank Ends") FROM "Table" WHERE "PF" = 44.0;