CREATE TABLE table_79851 ("Rider" CLOB, "Date" CLOB, "Place" CLOB, "Race" CLOB, "Event" CLOB, "Machine" CLOB)

What machine did Kenneth E. Herbert ride?
SELECT "Machine" FROM table_79851 WHERE "Rider" = 'kenneth e. herbert'
SELECT "Machine" FROM "table_79851" WHERE "Rider" = 'kenneth e. herbert'