CREATE TABLE table_191323_2 (alt_name VARCHAR, nssdc_id_no VARCHAR)

What are the alternative name/s of those satellites whose nssdc id number is 1970-054a?
SELECT alt_name FROM table_191323_2 WHERE nssdc_id_no = "1970-054A"
SELECT "alt_name" FROM "table_191323_2" WHERE "1970-054A" = "nssdc_id_no"