CREATE TABLE voting_record (stuid DECIMAL, registration_date TEXT, election_cycle TEXT, president_vote DECIMAL, vice_president_vote DECIMAL, secretary_vote DECIMAL, treasurer_vote DECIMAL, class_president_vote DECIMAL, class_senator_vote DECIMAL)
CREATE TABLE student (stuid DECIMAL, lname TEXT, fname TEXT, age DECIMAL, sex TEXT, major DECIMAL, advisor DECIMAL, city_code TEXT)

Find the distinct first names of all the students who have vice president votes and whose city code is not PIT.
SELECT DISTINCT T1.fname FROM student AS T1 JOIN voting_record AS T2 ON T1.stuid = T2.vice_president_vote EXCEPT SELECT DISTINCT fname FROM student WHERE city_code = "PIT"
SELECT DISTINCT "T1"."fname" FROM "student" AS "T1" JOIN "voting_record" AS "T2" ON "T1"."stuid" = "T2"."vice_president_vote" EXCEPT SELECT DISTINCT "fname" FROM "student" WHERE "PIT" = "city_code"