Unable to filter the data by using select query

Hi All,

I have Master excel and other data excel and I am filtering the data based on below columns in Master Excel and comparing the values with other excel using select query but null values are coming.
Master excel columns
SITE_STATE_CD
Company
SWC_ Lata
Other Excel columns:
Company
State
Lata/CloudSFID 57180155_Bot Template25112019.xlsx (11.5 KB) MSC Sites ALL_01302019.xlsx (26.9 KB) _Test.xaml (57.9 KB)

Can some one help on this.

Regards,
Hima