user: Question: What was the sum of ranks of those called fernando cavenaghi who appeared less than 7.
Columns: ['Rank', 'Name', 'Team', 'Goals', 'Appearances']
Types: ['real', 'text', 'text', 'real', 'real']
Sample row: [1.0, 'Pavel Pogrebnyak', 'Zenit St. Petersburg', 10.0, 13.0]
SQL:

assistant: SELECT SUM("Rank") FROM "Table" WHERE "Name" = 'fernando cavenaghi' AND "Appearances" < 7.0;