user: Question: Which venue hosted the Gridiron Development Football League?
Columns: ['Club', 'City', 'Sport', 'League', 'Venue']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Dixie Derby Girls', 'Huntsville', 'Roller derby', "Women's Flat Track Derby Association ( WFTDA )", 'Von Braun Center']
SQL:

assistant: SELECT "Venue" FROM "Table" WHERE "League" = 'Gridiron Development Football League';