user: Question: What is the COSPAR ID of Ariel 4, which was launched with a Scout carrier rocket?
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 "COSPAR ID" FROM "Table" WHERE "Carrier rocket" = 'Scout' AND "Satellite" = 'Ariel 4';