CREATE TABLE table_31805 ("Class" CLOB, "Type" CLOB, "No. built  ( Converted* ) " CLOB, "Year built  ( Converted* ) " CLOB, "No. range" CLOB, "Withdrawn" FLOAT)

Tell me the number range for 1965-66
SELECT "No. range" FROM table_31805 WHERE "Year built (Converted*)" = '1965-66'
SELECT "No. range" FROM "table_31805" WHERE "Year built (Converted*)" = '1965-66'