Question:
Which team did Michele Cossato play for in Dec, 1999?

Context:
 Michele Cossato plays for A.S.D. S.B.C. Oltrepò from Jan, 1990 to Jan, 1990. 
 Michele Cossato plays for Football Club Atletico Montichiari from Jan, 2004 to Jan, 2006. 
 Michele Cossato plays for A.C. ChievoVerona from Jan, 1986 to Jan, 1997. 
 Michele Cossato plays for Atalanta B.C. from Jan, 1998 to Jan, 2000. 
 Michele Cossato plays for Associazione Sportiva Cittadella from Jan, 2004 to Jan, 2004. 
 Michele Cossato plays for Venezia F.C. from Jan, 1997 to Jan, 1998. 
 Michele Cossato plays for ACF Fiorentina from Jan, 2003 to Jan, 2004. 
 Michele Cossato plays for A.C.D. Trissino-Valdagno from Jan, 1987 to Jan, 1988. 
 Michele Cossato plays for Hellas Verona F.C. from Jan, 2000 to Jan, 2003. 
 Michele Cossato plays for S.S.D. Domegliara from Jan, 2006 to Jan, 2008. 
 Michele Cossato plays for Padania national football team from Jan, 2008 to Jan, 2008. 
 Michele Cossato plays for A.C. Perugia Calcio from Jan, 1990 to Jan, 1991.

Answer:
Atalanta B.C.