National Register of Historic Places listings in Downtown and Midtown Detroit
Geographical areas
Table:
District

# of Sites

1

Downtown and Midtown Detroit

126

2

Remainder of Detroit

138

3

Outer Wayne County, Hamtramck, & Highland Park

83

(Duplicates):

(1)[4]

Total:

346

Given the table that covers 'National Register of Historic Places listings in Downtown and Midtown Detroit', section 'Geographical areas', produce a single-sentence summary focused on the highlighted cells and format it within the following JSON object {"answer": "YOUR ANSWER"}.