Question: What's the number of electorates for constituency number 56?
SQL: SELECT SUM("Number of electorates (2009)") FROM "2-18504485-1" WHERE "Constituency number" = '56';

Question: What's the constituency number for Damoh with more than 173217 electorates?
SQL: SELECT "Constituency number" FROM "2-18504485-1" WHERE "Number of electorates (2009)" > 173217.0 AND "Name" = 'Damoh';