user: Question: What is the sum of Avg/G for dan dierking when the Loss is 0 and the Gain is more than 34?
Columns: ['Name', 'GP-GS', 'Gain', 'Loss', 'Long', 'Avg/G']
Types: ['text', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Kory Sheets', 12.0, 1185.0, 54.0, 80.0, 94.2]
SQL:

assistant: SELECT SUM("Avg/G") FROM "Table" WHERE "Loss" = 0.0 AND "Name" = 'dan dierking' AND "Gain" > 34.0;