CREATE TABLE table_73454 ("Edition" TEXT, "Round" TEXT, "Date" TEXT, "Partnering" TEXT, "Against" TEXT, "Surface" TEXT, "Opponents" TEXT, "W\\u2013L" TEXT, "Result" TEXT)

How many rounds were there in the 2006 davis cup europe/africa group I?
SELECT COUNT("Round") FROM table_73454 WHERE "Edition" = '2006 Davis Cup Europe/Africa Group I'
SELECT COUNT("Round") FROM "table_73454" WHERE "Edition" = '2006 Davis Cup Europe/Africa Group I'