(TSQL) Escape Underscore in Like

SELECT * FROM Table WHERE Column LIKE '_a_'

The above code will generate results that has any one character before and after 'a' such as:
mac
cat
sad

SELECT * FROM Table WHERE Column LIKE '%[_]a[_]%'

The above code will generate results such as:
in_a_house
she_is_a_mother
make_a_living