CREATE TABLE "winners_of_the_yugoslavian_motorcycle_gr" (
  "year" real,
  "track" text,
  "250_cc" text,
  "500_cc" text,
  "report" text
);

Question: What is the 250 cc with a year bigger than 1984?
SQL: SELECT "250_cc" FROM "winners_of_the_yugoslavian_motorcycle_gr" WHERE "year">1984;

Question: What is the report for a 250 cc of sito pons, and a 500 cc of wayne gardner?
SQL: SELECT "report" FROM "winners_of_the_yugoslavian_motorcycle_gr" WHERE "250_cc"='sito pons' AND "500_cc"='wayne gardner';

Question: What is the 500 cc with a 250 cc of freddie spencer?
SQL: SELECT "500_cc" FROM "winners_of_the_yugoslavian_motorcycle_gr" WHERE "250_cc"='freddie spencer';

Question: What track has a 250 cc of sito pons?
SQL: SELECT "track" FROM "winners_of_the_yugoslavian_motorcycle_gr" WHERE "250_cc"='sito pons';