Table schema:
CREATE TABLE table_2668416_7 (district VARCHAR, party VARCHAR, candidates VARCHAR)

Question: What is the district for the party federalist and the candidates are william craik (f) 51.0% benjamin edwards 49.0%?
SQL: SELECT district FROM table_2668416_7 WHERE party = "Federalist" AND candidates = "William Craik (F) 51.0% Benjamin Edwards 49.0%"