CREATE TABLE table_42873 ("Year" FLOAT, "Competition" CLOB, "Venue" CLOB, "Position" CLOB, "Event" CLOB, "Notes" CLOB)

Which Notes has a Competition of venice marathon?
SELECT "Notes" FROM table_42873 WHERE "Competition" = 'venice marathon'
SELECT "Notes" FROM "table_42873" WHERE "Competition" = 'venice marathon'