user: Question: What is the college for the player that went to Ridge Community High School and is Defensive back?
Columns: ['Player', 'Position', 'School', 'Hometown', 'College']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Connor McGovern', 'Defensive line', 'Shanley High School', 'Fargo, North Dakota', 'Missouri']
SQL:

assistant: SELECT "College" FROM "Table" WHERE "Position" = 'Defensive back' AND "School" = 'Ridge Community High School';