Table: destroyer_ships_4
Columns: ship
pennant_number
laid_down
launched
completed

Question: Name what was completed on 12 april 1934
SQL: SELECT "completed" FROM destroyer_ships_4 WHERE "launched" = '12 april 1934'

Question: Name the launched for 13 september 1934 completion
SQL: SELECT "launched" FROM destroyer_ships_4 WHERE "completed" = '13 september 1934'

Question: Name the ship launched 29 may 1934
SQL: SELECT "ship" FROM destroyer_ships_4 WHERE "launched" = '29 may 1934'

Question: Name the laid down for launched being 16 february 1934
SQL: SELECT "laid_down" FROM destroyer_ships_4 WHERE "launched" = '16 february 1934'

Question: Name the pennant number for completion of 30 october 1934 and launched 29 march 1934
SQL: SELECT "pennant_number" FROM destroyer_ships_4 WHERE "launched" = '29 march 1934' AND "completed" = '30 october 1934'

Question: Name the laid down for completed of 22 october 1934
SQL: SELECT "laid_down" FROM destroyer_ships_4 WHERE "completed" = '22 october 1934'