What is the long value for the year with an average/game of 160.9?
CREATE TABLE "college" (
  "season" text,
  "gp_gs" text,
  "comp_att" text,
  "pct" text,
  "yards" text,
  "long" text,
  "avg_g" text
);
SELECT "long" FROM "college" WHERE "avg_g"='160.9';