Table:
text: 2010–11 Robert Morris Colonials men's basketball team
Roster
Roster
Name_ _ Position_ Height Weight_lb_ Year_ Hometown Previous_School
Treadwell Lewis Category:Articles with hCards 10 Guard ft10in (m) 170 2 Sophomore Shelton , CT Christian Heritage School
Anthony Myers Category:Articles with hCards 5 Guard ft11in (m) 170 2 Freshman Washington, D.C. Charis Prep
Elton Roy Category:Articles with hCards 15 Guard ft2in (m) 195 2 Freshman Houston , TX Yates HS
Lijah Thompson Category:Articles with hCards 11 Forward / Center ft7in (m) 200 2 Sophomore Philadelphia , PA Monsignor Bonner HS
Deion Turman Category:Articles with hCards 1 Forward / Center ft8in (m) 215 2 Freshman Pittsburgh , PA Mt. Lebanon HS
Gary Wallace Category:Articles with hCards 14 Guard ft3in (m) 200 2 Senior Montclair , NJ Seton Hall Preparatory School

Question: What year was player number 10 for the 2010-11 Robert Morris Colonials men's basketball team?

Question: How many hometowns are there when Charis Prep was the previous school on the 2010-11 Robert Morris Colonials men's basketball team?

Question: How many different items appear in the weight column for the 2010-11 Robert Morris Colonials men's basketball team if the hometown is Pittsburgh, PA?