user: Question: What is the lowest round trinity school was drafted with an overall higher than 21?
Columns: ['Round', 'Overall', 'Player', 'Position', 'School/Club Team']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 21.0, 'Marvin Upshaw', 'Defensive End', 'Trinity']
SQL:

assistant: SELECT MIN("Round") FROM "Table" WHERE "School/Club Team" = 'trinity' AND "Overall" < 21.0;