CREATE TABLE table_29243 ("Train No." FLOAT, "Train Name" TEXT, "Arrival" TEXT, "Departure" TEXT, "Days" TEXT, "Platform No." TEXT)

How many trains arrive at 11:00?
SELECT COUNT("Train No.") FROM table_29243 WHERE "Arrival" = '11:00'
SELECT COUNT("Train No.") FROM "table_29243" WHERE "Arrival" = '11:00'