user: Question: what is the average starts when the chassis is focus rs wrc 08 and finishes is more than 27?
Columns: ['Constructor', 'Chassis', 'Starts', 'Finishes', 'Wins', 'Podiums', 'Stage wins', 'Points']
Types: ['text', 'text', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Citroën Total World Rally Team', 'C4 WRC', 26.0, 24.0, 9.0, 19.0, 127.0, 456.0]
SQL:

assistant: SELECT AVG("Starts") FROM "Table" WHERE "Chassis" = 'focus rs wrc 08' AND "Finishes" > 27.0;