What is the lowest number of points for Drivers that have raced in more than 16 Races?
CREATE TABLE "gp3_series" (
  "year" real,
  "drivers" text,
  "races" real,
  "wins" real,
  "poles" real,
  "fast_laps" real,
  "points" real,
  "d_c" text,
  "t_c" text
);
SELECT MIN("points") FROM "gp3_series" WHERE "races">16;