CREATE TABLE table_name_50 (november VARCHAR2, september VARCHAR2, february VARCHAR2, march VARCHAR2)

What is the total number for November, larger than 8.53 in February, 20.21 in March, and less than 7.9 in September?
SELECT COUNT(november) FROM table_name_50 WHERE february > 8.53 AND march = 20.21 AND september < 7.9
SELECT COUNT("november") FROM "table_name_50" WHERE "february" > 8.53 AND "march" = 20.21 AND "september" < 7.9