What is the number of races having top 5s over 2 and average starts of 6.5?
CREATE TABLE "career_statistics" (
  "year" text,
  "races" real,
  "wins" real,
  "top_5" real,
  "top_10" real,
  "poles" real,
  "avg_start" real,
  "avg_finish" real,
  "season_rank" text
);
SELECT "races" FROM "career_statistics" WHERE "top_5">2 AND "avg_start"=6.5;