user: ### NOW ANSWER:
Question: Which Lane has a Time larger than 20.5, and a Nationality of Trinidad and Tobago?
Columns: ['Rank', 'Lane', 'Athlete', 'Nationality', 'Time', 'React']
Types: ['real', 'real', 'text', 'text', 'real', 'real']
Sample row: [1.0, 5.0, 'Brendan Christian', 'Antigua and Barbuda', 20.26, 0.166]
SQL:

assistant: SELECT AVG("Lane") FROM "Table" WHERE "Time" > 20.5 AND "Nationality" = 'Trinidad and Tobago';