Question: when was the ship completed when laid down is 21 August 1925?
SQL: SELECT "Completed" FROM "2-18756696-1" WHERE "Laid down" = '21 August 1925';

Question: When was Satsuki DD-27 completed?
SQL: SELECT "Completed" FROM "2-18756696-1" WHERE "Name" = 'Satsuki DD-27';

Question: when was the ship launched when it was laid down 20 October 1924 and built by Fujinagata Shipyards, Japan?
SQL: SELECT "Launched" FROM "2-18756696-1" WHERE "Builder" = 'Fujinagata Shipyards, Japan' AND "Laid down" = '20 October 1924';

Question: when was the ship completed that was laid down on 23 March 1926?
SQL: SELECT "Completed" FROM "2-18756696-1" WHERE "Laid down" = '23 March 1926';

Question: when was the ship laid down when it was completed on 3 July 1926?
SQL: SELECT "Laid down" FROM "2-18756696-1" WHERE "Completed" = '3 July 1926';