user: Question: What is the sum of all values in Fall 09 in allegany county with Fall 07 less than 751?
Columns: ['Maryland Counties', 'Fall 05', 'Fall 06', 'Fall 07', 'Fall 08', 'Fall 09']
Types: ['text', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Allegany', 791.0, 755.0, 751.0, 789.0, 792.0]
SQL:

assistant: SELECT SUM("Fall 09") FROM "Table" WHERE "Maryland Counties" = 'allegany' AND "Fall 07" < 751.0;