user: Question: Name the total number of founded for Yankton
Columns: ['School', 'Location(s)', 'Control', 'Type', 'Enrollment (spring 2012)', 'Founded', 'Accreditation']
Types: ['text', 'text', 'text', 'text', 'real', 'real', 'text']
Sample row: ['Augustana College', 'Sioux Falls', 'Private not-for-profit', 'Baccalaureate college', 1871.0, 1860.0, 'NCA , CCNE , NASM , NCATE']
SQL:

assistant: SELECT COUNT("Founded") FROM "Table" WHERE "Location(s)" = 'Yankton';