Table:
text: FIBA World Olympic Qualifying Tournament for Men 2008 squads
Greece
Greece
Player Height Position_ Year_born_Age Current_Club
Theodoros Papaloukas 2.00 PG May 8, 1977 (age36) Olympiacos
Yiannis Bourousis 2.13 C November 17, 1983 (age30) Olympiacos
Nikos Zisis 1.97 G August 16, 1983 (age30) CSKA Moscow
Vassilis Spanoulis 1.93 G August 7, 1982 (age31) Panathinaikos
Panagiotis Vasilopoulos 2.03 PF February 8, 1984 (age29) Olympiacos
Antonis Fotsis 2.09 PF April 1, 1981 (age32) Panathinaikos
Giorgos Printezis 2.06 F February 22, 1985 (age28) Olympiacos
Andreas Glyniadakis 2.16 C August 26, 1981 (age32) Maroussi
Kostas Tsartsaris 2.09 PF/C October 17, 1979 (age34) Panathinaikos
Dimitris Diamantidis 1.96 G May 6, 1980 (age33) Panathinaikos
Sofoklis Schortsanitis 2.06 PF/C June 22, 1985 (age28) Olympiacos
Michalis Pelekanos 1.98 SF May 25, 1981 (age32) Olympiacos

Question: Count the average height with a position of pf and year of birth (age) on April 1, 1981 (age 32) from the rosters of the FIBA World Olympic Qualifying Tournament for Men 2008 Greece. ?

Question: What height has a position of c and a player of yiannis bourousis among the squads of FIBA World Olympic Qualification Tournament for Men 2008 Greece?