user: Question: What is the sum of the Billboard 200 Peak scores after the Year 1971?
Columns: ['Year', 'Title', 'Label', 'RIAA Sales Certification', 'Billboard 200 Peak']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1969.0, 'Bread', 'Elektra', 'n/a', 127.0]
SQL:

assistant: SELECT SUM("Billboard 200 Peak") FROM "Table" WHERE "Year" > 1971.0;