Question: When the player gained below 1405 yards and lost over 390 yards, what's the sum of the long yards?
SQL: SELECT SUM("Long") FROM "2-17056450-5" WHERE "Loss" > 390.0 AND "Gain" < 1405.0;

Question: When the Gain is 29, and the average per game is 2, and the player lost less than 390 yards, what's the sum of the Long yards?
SQL: SELECT SUM("Long") FROM "2-17056450-5" WHERE "Loss" < 390.0 AND "Avg/G" = 2.0 AND "Gain" > 29.0;

Question: What's the sum of all average yards gained when the gained yards is under 1276 and lost more than 3 yards?
SQL: SELECT SUM("Avg/G") FROM "2-17056450-5" WHERE "Gain" < 1276.0 AND "Loss" > 3.0;