Table: roster_stats
Columns: player
no_s
height_in_ft
position
years_for_rockets
school_club_team_country

Question: How many positions had jersey number 32
SQL: SELECT COUNT("position") FROM roster_stats WHERE "no_s" = '32'

Question: Which years had a jersey number 55
SQL: SELECT "years_for_rockets" FROM roster_stats WHERE "no_s" = '55'