What is the highest Top-5 that has 18 or more events with a Top-25 of 23?
CREATE TABLE table_42348 (
    "Tournament" text,
    "Wins" real,
    "Top-5" real,
    "Top-10" real,
    "Top-25" real,
    "Events" real,
    "Cuts made" real
)
SELECT MAX("Top-5") FROM table_42348 WHERE "Events" > '18' AND "Top-25" = '23'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the highest Top-5 that has 18 or more events with a Top-25 of 23? ### Input: CREATE TABLE table_42348 (
    "Tournament" text,
    "Wins" real,
    "Top-5" real,
    "Top-10" real,
    "Top-25" real,
    "Events" real,
    "Cuts made" real
) ### Response: SELECT MAX("Top-5") FROM table_42348 WHERE "Events" > '18' AND "Top-25" = '23'