CREATE TABLE table_204_343 (id NUMBER, "nation" CLOB, "model" CLOB, "length" CLOB, "barrel length" CLOB, "weight" CLOB)

how long was the m1894 rifle 's barrel ?
SELECT "barrel length" FROM table_204_343 WHERE "model" = 'm1894 rifle'
SELECT "barrel length" FROM "table_204_343" WHERE "model" = 'm1894 rifle'