Table:
text: List of artists who reached number one on the French Singles Chart
L
L
Artist Country Number_one_singles Year_ Weeks_at_1 Straight_to_1_
L5 France  Toutes les femmes de ta vie  2001 1 Yes
L.V. United States  Gangsta`s Paradise  1 1995 13 No
Labylle, Jocelyne Guadeloupe  Laisse parler les gens  2003 3 No
Lady Gaga United States  Poker Face  2008 4 No
Lady Gaga United States  Bad Romance  2010 1 Yes
Lafontaine, Philippe Belgium Cœur de loup 1989 2 No
Lagaf` France  Bo le lavabo (WC Kiss)  1990 1 No
Lagaf` France  La Zoubida  1991 11 No
Lalanne, Francis France On se retrouvera 1987 6 No
Lahaye, Jean-Luc France Papa chanteur 1986 1 No
Larage, Faf France  Pas le temps  2006 6 No

Question: in the list of artists who reached number one in the french singles chart, L, how many years was the country belgium ?