Table:
text: List of artists who reached number one on the French Singles Chart
P
P
Artist Country Number_one_singles Year_ Weeks_at_1 Straight_to_1_
Paco Viet Nam Amor de mis amores 1988 5 No
Pagny, Florent France  N`importe quoi  1988 8 No
Pagny, Florent France  Savoir aimer  1997 9 No
Pagny, Florent France  Ma liberté de penser  2003 6 No
Pakito France  Living on Video  2004 4 No
Paradis, Vanessa France  Joe le taxi  1987 11 No
Parker Jr., Ray United States  Ghostbusters  1984 5 No
Parker, Tony France  Balance-toi  2007 1 Yes
Passi France  Laisse parler les gens  1 2003 3 No
Patti, Guesch France  Étienne  1987 5 No
Pep`s France Liberta 2009 2 Yes

Question: What number one single is listed by artist Pep's among the artists to reach number one on the French singles chart, P ?