What were the total career titles of the player who led for 5 years?
CREATE TABLE "chronological_list_of_grand_slam_singles" (
  "years_led" text,
  "span_of_years_led" real,
  "player" text,
  "titles_won_at_point_of_lead" real,
  "total_career_titles" real,
  "tournament_at_which_lead_began" text
);
SELECT COUNT("total_career_titles") FROM "chronological_list_of_grand_slam_singles" WHERE "span_of_years_led"=5;