user: Question: Tell me the bullet tip color of headstamp id of H1Z
Columns: ['Headstamp ID', 'Primer Annulus Color', 'Bullet Tip Color', 'Other Features', 'Functional Type']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['VII or VIIZ', 'Purple', 'None', 'None', 'Light Ball']
SQL:

assistant: SELECT "Bullet Tip Color" FROM "Table" WHERE "Headstamp ID" = 'H1Z';