user: Question: How many season did Sportfreunde Siegen win best supported club?
Columns: ['Season', 'Overall Spectators', 'Per game', 'Best supported Club', 'Spectators /game', 'Top goal scorer', 'Goals']
Types: ['text', 'real', 'real', 'text', 'real', 'text', 'real']
Sample row: ['1994–95', 427576.0, 1397.0, 'Stuttgarter Kickers', 2759.0, 'Jonathan Akpoborie ( SK )', 37.0]
SQL:

assistant: SELECT COUNT("Season") FROM "Table" WHERE "Best supported Club" = 'Sportfreunde Siegen';