CREATE TABLE table_20425 ("Issuing network" CLOB, "IIN ranges" CLOB, "Active" CLOB, "Length" CLOB, "Validation" CLOB)

What is the length for iin range 51-55?
SELECT "Length" FROM table_20425 WHERE "IIN ranges" = '51-55'
SELECT "Length" FROM "table_20425" WHERE "IIN ranges" = '51-55'