CREATE TABLE table_name_75 (round VARCHAR2, time VARCHAR2, location VARCHAR2)

What is the total number of Round(s), when Time is 'n/a', and when Location is 'Canton, Ohio, USA'?
SELECT COUNT(round) FROM table_name_75 WHERE time = "n/a" AND location = "canton, ohio, usa"
SELECT COUNT("round") FROM "table_name_75" WHERE "canton, ohio, usa" = "location" AND "n/a" = "time"