我写的存储过程报告错误，请大家给我改一下，谢谢

Question

try:
exec Up_Test 'asdsdf',12,'1991/9/4 00:00:00 AM'

Answer 1

create procedure Up_Test 
@names varchar(20),
@ages int,
@births datetime
as
declare @test varchar(100)
set @test='create table students(names varchar(20),ages int ,births datetime)'
exec (@test)
insert into students(names,ages,births)
values(@names,@ages,@births)
GO

Answer 2

exec Up_Test 'asdsdf',12,'1991/9/4 00:00:00 AM'

Answer 3

exec Up_Test 'asdsdf',12,'1991/9/4 00:00:00 AM'