DataSource Controls :: Import Excel In SSMS Edit SQL?

is the SQL SSMS creates.I want to NOT import the data where Category = 'xxx', 'xxx'How can I do that? Is that possible? My SQL is very limited at this point!

CREATE TABLE [dbo].['Working DB edits$'] (
[Comments/Notes] nvarchar(255),
[Category] nvarchar(255),
[Sub-Category] nvarchar(255),
[Sub-Cat2] nvarchar(255),
[Course No] nvarchar(255),
[Course Title] nvarchar(255),
[Curricula] nvarchar(255),
[Certification] nvarchar(255),
[Cert Exp] nvarchar(255),
[Delivery Type] nvarchar(255),
[Owner] nvarchar(255),
[Learning Rqst Mgr] nvarchar(255),
[PreReq#] nvarchar(255),
[Duration (hrs)] float,
[Min Attendance] nvarchar(255),
[Max Attendance] nvarchar(255),
[Objectives] nvarchar(255),
[Description] nvarchar(max),
[Competencies] nvarchar(255),
[Target Audience] nvarchar(255),
[Equivalents] nvarchar(255),
[Expiration] nvarchar(255),
[Evidence of Training] nvarchar(255),
[Refer# Matls] nvarchar(255),
[Price] float,
[Instructor] nvarchar(255),
)