If and Like with Stored Proc

USE [AdventureWorks2008R2]

GO

/****** Object:  StoredProcedure [dbo].[SP_countbyfirstName]    Script Date: 08/31/2014 08:49:39 ******/

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

ALTER proc [dbo].[SP_countbyfirstName] 

@firstname varchar(50)

as

Declare @cntno Int

select @cntno= COUNT(*)from Person.Person where FirstName like  @firstname +'%'

If (@cntno=95) 

begin

select * from Person.Person where FirstName like @firstname +'%'

end

If (@cntno<>95) 

begin

select * from Person.Person where FirstName like @firstname +'%'

end