user: ### NOW ANSWER:
Question: What is the quarterfinal week for Austin Anderson?
Columns: ['Name/Name of Act', 'Age(s)', 'Genre', 'Act', 'Hometown', 'Qtr. Final (Week)', 'Semi Final (Week)', 'Position Reached']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Michael Grimm', '30', 'Singing', 'Singer/Musician', 'Hancock County, Mississippi', 2.0, '1', 'Winner']
SQL:

assistant: SELECT MIN("Qtr. Final (Week)") FROM "Table" WHERE "Name/Name of Act" = 'Austin Anderson';