If team two is Lanús, what was the total number of points?
CREATE TABLE "round_of_16" (
  "team_num1" text,
  "points" text,
  "team_num2" text,
  "1st_leg" text,
  "2nd_leg" text
);
SELECT COUNT("points") FROM "round_of_16" WHERE "team_num2"='Lanús';