CREATE TABLE "players" (
  "player" text,
  "w_l_total" text,
  "w_l_singles" text,
  "w_l_doubles" text,
  "ties" real,
  "debut" real,
  "years_played" real
);

Question: What is the highest number of ties?
SQL: SELECT MAX("ties") FROM "players";

Question: During the 2013 debut, what is the w-I(total) number?
SQL: SELECT COUNT("w_l_total") FROM "players" WHERE "debut"=2013;