CREATE TABLE table_name_19 (internal_floppy_disk VARCHAR(255), s_100_slots VARCHAR(255), year_introduced VARCHAR(255))
What is the value for internal floppy disk with s-100 slots greater than 8 introduced earlier than 1978?
    
SQL: SELECT internal_floppy_disk FROM table_name_19 WHERE s_100_slots > 8 AND year_introduced < 1978