Database: pets_1
Question: Find the number of dog pets that are raised by female students (with sex F).
SQL: select count(*) from student as t1 join has_pet as t2 on t1.stuid  =  t2.stuid join pets as t3 on t2.petid  =  t3.petid where t1.sex  =  'f' and t3.pettype  =  'dog'