CREATE TABLE table_15851 ("Aircraft" CLOB, "Description" CLOB, "Max Gross Weight" CLOB, "Total disk area" CLOB, "Max disk Loading" CLOB)

What if the description of a ch-47d chinook?
SELECT "Description" FROM table_15851 WHERE "Aircraft" = 'CH-47D Chinook'
SELECT "Description" FROM "table_15851" WHERE "Aircraft" = 'CH-47D Chinook'