user: Question: Avg/G of 2.7 is what effic?
Columns: ['Name', 'GP-GS', 'Effic', 'Att-Cmp-Int', 'Avg/G']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Jameel Sewell', '13–13', 114.94, '364–214–9', 167.4]
SQL:

assistant: SELECT "Effic" FROM "Table" WHERE "Avg/G" = 2.7;