CREATE TABLE table_204_521 (id NUMBER, "rank" NUMBER, "name" CLOB, "nationality" CLOB, "time  ( hand ) " CLOB, "notes" CLOB)

who was the only competitor to come from great britain ?
SELECT "name" FROM table_204_521 WHERE "nationality" = 'great britain'
SELECT "name" FROM "table_204_521" WHERE "nationality" = 'great britain'