user: Question: What is Set 4, when Set 5 is NA, and when Set 3 is 19-25?
Columns: ['Date', 'Score', 'Set 1', 'Set 2', 'Set 3', 'Set 4', 'Set 5', 'Total']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Jun 25', '2-3', '25-18', '31-33', '26-28', '25-21', '11-15', '118 - 115']
SQL:

assistant: SELECT "Set 4" FROM "Table" WHERE "Set 5" = 'NA' AND "Set 3" = '19-25';