user: Question: Who attended the school in 2006, that Whitney Powell attended in 2007?
Columns: ['2005', '2006', '2007', '2008', '2009', '2010']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Passion Galbert', 'Mashi Epting', 'Thuy Phan', 'Maiya Stanley', 'Erica Anderson', 'Lydetera Ross']
SQL:

assistant: SELECT MIN("2006") FROM "Table" WHERE "2007" = 'Whitney Powell';