SELECT Fname, COUNT(Fname) FROM Student AS T1 JOIN Lives_in AS T2 ON T1.stuid = T2.stuid JOIN Dorm AS T3 ON T3.dormid = T2.dormid WHERE T3.dorm_name = 'Smith Hall' GROUP BY Fname ORDER BY COUNT(Fname) DESC
What are the number of the first names of all students in Smith Hall?, and rank Y-axis from high to low order.
CREATE TABLE Has_amenity (
    dormid INTEGER,
    amenid INTEGER
)

CREATE TABLE Dorm_amenity (
    amenid INTEGER,
    amenity_name VARCHAR(25)
)

CREATE TABLE Student (
    StuID INTEGER,
    LName VARCHAR(12),
    Fname VARCHAR(12),
    Age INTEGER,
    Sex VARCHAR(1),
    Major INTEGER,
    Advisor INTEGER,
    city_code VARCHAR(3)
)

CREATE TABLE Dorm (
    dormid INTEGER,
    dorm_name VARCHAR(20),
    student_capacity INTEGER,
    gender VARCHAR(1)
)

CREATE TABLE Lives_in (
    stuid INTEGER,
    dormid INTEGER,
    room_number INTEGER
)