CREATE TABLE table_name_49 (caps VARCHAR, date_of_birth__age_ VARCHAR)

How many caps have a Date of Birth (Age) of 15 july 1981?
SELECT COUNT(caps) FROM table_name_49 WHERE date_of_birth__age_ = "15 july 1981"
SELECT COUNT("caps") FROM "table_name_49" WHERE "15 july 1981" = "date_of_birth__age_"