user: Question: How many mileposts are there on Anne Street?
Columns: ['County', 'Location', 'Street Names', 'Milepost', 'Roads Intersected', 'Notes']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Norfolk', 'Stoughton', 'Pleasant Street Turnpike Street Lindelof Avenue', '3.0', 'Route 24', 'Route 24 Exit 20.']
SQL:

assistant: SELECT COUNT("Milepost") FROM "Table" WHERE "Street Names" = 'Anne Street';