CREATE TABLE table_70710 ("Model" CLOB, "Specification" CLOB, "Build date" CLOB, "Total produced" FLOAT, "Wheel arrangement" CLOB, "Prime mover" CLOB, "Power output" CLOB)

Name the model for specification of dl-066
SELECT "Model" FROM table_70710 WHERE "Specification" = 'dl-066'
SELECT "Model" FROM "table_70710" WHERE "Specification" = 'dl-066'