user: ### NOW ANSWER:
Question: Which Avg/G that has a Name of Opponents, and an Effic smaller than 129.73?
Columns: ['Name', 'GP-GS', 'Effic', 'Cmp-Att-Int', 'Avg/G']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Reesing, Todd', '13-13', 148.52, '329-495-13', 299.1]
SQL:

assistant: SELECT SUM("Avg/G") FROM "Table" WHERE "Name" = 'Opponents' AND "Effic" < 129.73;