CREATE TABLE table_203_802 (id NUMBER, "persian unit" CLOB, "persian name" CLOB, "relation to previous unit" CLOB, "metric value" CLOB, "imperial value" CLOB)

how long is four hands in the metric system ?
SELECT "metric value" FROM table_203_802 WHERE "persian unit" = 'four-hands'
SELECT "metric value" FROM "table_203_802" WHERE "persian unit" = 'four-hands'