user: ### NOW ANSWER:
Question: what is siena 2002 when the president is Andrew Jackson?
Columns: ['President', 'Schl. 1948', 'Schl. 1962', 'M-B 1982', 'CT 1982', 'Siena 1982', 'Siena 1990', 'Siena 1994', 'R-McI 1996', 'Schl. 1996', 'C-SPAN 1999', 'WSJ 2000', 'Siena 2002', 'WSJ 2005', 'Times 2008**', 'C-SPAN 2009', 'Siena 2010', 'USPC 2011', 'Aggr.']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['George Washington', '02', '02', '03', '03', '04', '04', '04', '03', '02', '03', '01', '04', '01', '02', '02', '04', '03', '03']
SQL:

assistant: SELECT "Siena 2002" FROM "Table" WHERE "President" = 'Andrew Jackson';