CREATE TABLE "walking" (
  "event" text,
  "data" text,
  "athlete" text,
  "date" text,
  "place" text
);

Question: What day did Chris Maddocks compete in the 35000 m?
SQL: SELECT "date" FROM "walking" WHERE "athlete"='chris maddocks' AND "event"='35000 m';

Question: Who has a walking data of 214.061km?
SQL: SELECT "athlete" FROM "walking" WHERE "data"='214.061km';

Question: Who has a walking data of 3:10:48+?
SQL: SELECT "athlete" FROM "walking" WHERE "data"='3:10:48+';