Table: mayoral_votes
Columns: party
manhattan
the_bronx
brooklyn
queens
richmond_staten_is
total

Question: How many voters were in Manhattan when 181,639 people voted in the Bronx?
SQL: SELECT "richmond_staten_is" FROM mayoral_votes WHERE "the_bronx" = '181,639'

Question: When Richmond had a total count of 2,293, what was the total count of Brooklyn?
SQL: SELECT "brooklyn" FROM mayoral_votes WHERE "richmond_staten_is" = '2,293'