Table: md_delegation
Columns: district
counties_represented
delegate
party
first_elected
committee

Question: When first elected was 2006, who was the delegate?
SQL: SELECT "delegate" FROM md_delegation WHERE "first_elected" = 2006

Question: Which was the district that had first elected greater than 2006 and is democratic?
SQL: SELECT "district" FROM md_delegation WHERE "party" = 'democratic' AND "first_elected" > 2006