user: Question: How many rounds were there in the 2006 Davis Cup Europe/Africa Group I?
Columns: ['Edition', 'Round', 'Date', 'Partnering', 'Against', 'Surface', 'Opponents', 'W–L', 'Result']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['2003 Davis Cup Europe/Africa Group II', 'QF', '11–13 July 2003', 'Rui Machado', 'South Africa', 'Hard', 'Chris Haggard Robbie Koenig', 'Loss', '5–7, 3–6, 2–6']
SQL:

assistant: SELECT COUNT("Round") FROM "Table" WHERE "Edition" = '2006 Davis Cup Europe/Africa Group I';