List out student names that enrolled in two schools and two organizations?
enrolled in two schools refers to COUNT(school) = 2; two organizations refers to COUNT(organ) = 2;
SELECT T.name FROM ( SELECT T1.name, COUNT(T1.organ) AS num FROM enlist AS T1 INNER JOIN enrolled AS T2 ON T1.name = T2.name GROUP BY T1.name ) T WHERE T.num = 2
database name:db_id student_loan
bool table bool Cols: name dtype text, 
person table person Cols: name dtype text, 
disabled table disabled Cols: name dtype text, 
enlist table enlist Cols: name dtype text, organization dtype text, 
filed_for_bankruptcy table filed_for_bankruptcy Cols: name dtype text, 
longest_absense_from_school table longest_absense_from_school Cols: name dtype text, month dtype integer, 
male table male Cols: name dtype text, 
no_payment_due table no_payment_due Cols: name dtype text, bool dtype text, 
unemployed table unemployed Cols: name dtype text, 
enrolled table enrolled Cols: name dtype text, school dtype text, month dtype integer, 
