CREATE TABLE "medalists" (
  "medal" text,
  "name" text,
  "sport" text,
  "event" text,
  "date" text
);

Question: What event had Xu Zhilin competing?
SQL: SELECT "event" FROM "medalists" WHERE "name"='xu zhilin';

Question: What sport has Ma Yuxi in it?
SQL: SELECT "sport" FROM "medalists" WHERE "name"='ma yuxi';