user: Question: what is the sum of the year in Rhode Island
Columns: ['Year', 'Senator', 'Party', 'State', 'Result']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1808.0, 'John Smith', 'Democrat-Republican', 'Ohio', 'Not expelled']
SQL:

assistant: SELECT SUM("Year") FROM "Table" WHERE "State" = 'Rhode Island';