CREATE TABLE "mixed_doubles_13_4_titles_9_runner_ups" (
  "outcome" text,
  "year" real,
  "championship" text,
  "surface" text,
  "partner" text,
  "opponents_in_the_final" text,
  "score_in_the_final" text
);

Question: What championship was played with Allan Stone as a partner?
SQL: SELECT "championship" FROM "mixed_doubles_13_4_titles_9_runner_ups" WHERE "partner"='Allan Stone';

Question: How many different partners played in the finale in 1973?
SQL: SELECT COUNT("partner") FROM "mixed_doubles_13_4_titles_9_runner_ups" WHERE "year"=1973;

Question: What was the score in the final played with Fred McNair as partner?
SQL: SELECT "score_in_the_final" FROM "mixed_doubles_13_4_titles_9_runner_ups" WHERE "partner"='Fred McNair';