user: Question: When was the satellite that has a COSPAR ID of 1967-042A launched?
Columns: ['Satellite', 'Launch date', 'Carrier rocket', 'Launch site', 'COSPAR ID']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Ariel 1', '1962-04-26', 'Thor-Delta', 'Cape Canaveral', '1962-015A']
SQL:

assistant: SELECT "Launch date" FROM "Table" WHERE "COSPAR ID" = '1967-042A';