user: Question: What is the nationality of the athlete with a time of 2:12.56?
Columns: ['Heat', 'Lane', 'Name', 'Nationality', 'Time']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [4.0, 3.0, 'Alicia Coutts', 'Australia', '2:11.55']
SQL:

assistant: SELECT "Nationality" FROM "Table" WHERE "Time" = '2:12.56';