user: Question: When was the earliest season of Juncadella's career?
Columns: ['Season', 'Series', 'Team', 'Races', 'Wins', 'Poles', 'F/Laps', 'Podiums', 'Points', 'Position']
Types: ['real', 'text', 'text', 'real', 'real', 'real', 'real', 'real', 'text', 'text']
Sample row: [2007.0, 'Master Formula Junior', 'Javier Juncadella', 21.0, 7.0, 0.0, 13.0, 13.0, '359', '2nd']
SQL:

assistant: SELECT MIN("Season") FROM "Table";