user: Question: Which lowest year has a Position of RB, and a College of Louisiana State?
Columns: ['Year', 'Pick', 'Player name', 'College', 'Position']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1960.0, '—', 'Abner Haynes', 'North Texas State', 'RB']
SQL:

assistant: SELECT MIN("Year") FROM "Table" WHERE "Position" = 'RB' AND "College" = 'Louisiana State';