user: Question: What is the lowest Round, when Position is Linebacker, and when Player is Thomas Henderson?
Columns: ['Round', 'Pick #', 'Player', 'Position', 'College']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 2.0, 'Randy White', 'Defensive Tackle', 'Maryland']
SQL:

assistant: SELECT MIN("Round") FROM "Table" WHERE "Position" = 'Linebacker' AND "Player" = 'Thomas Henderson';