CREATE TABLE table_name_43 (pennant_number VARCHAR, launched VARCHAR, completed VARCHAR)

Name the pennant number for completion of 30 october 1934 and launched 29 march 1934
SELECT pennant_number FROM table_name_43 WHERE launched = "29 march 1934" AND completed = "30 october 1934"
SELECT "pennant_number" FROM "table_name_43" WHERE "29 march 1934" = "launched" AND "30 october 1934" = "completed"