CREATE TABLE table_71827 ("Name" CLOB, "Gain" FLOAT, "Loss" FLOAT, "Long" FLOAT, "Avg/G" CLOB)

What are the gains for the player with average of 26.8 and lost yard fewer than 13?
SELECT SUM("Gain") FROM table_71827 WHERE "Avg/G" = '26.8' AND "Loss" < '13'
SELECT SUM("Gain") FROM "table_71827" WHERE "Avg/G" = '26.8' AND "Loss" < '13'