CREATE TABLE table_203_285 (id NUMBER, "year" NUMBER, "location" CLOB, "gold" CLOB, "silver" CLOB, "bronze" CLOB)

where did the world artistic gymnastics take place before san juan ?
SELECT "location" FROM table_203_285 WHERE "year" < (SELECT "year" FROM table_203_285 WHERE "location" = 'san juan') ORDER BY "year" DESC LIMIT 1
SELECT "location" FROM "table_203_285" WHERE "year" < (SELECT "year" FROM "table_203_285" WHERE "location" = 'san juan') ORDER BY "year" DESC FETCH FIRST 1 ROWS ONLY