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