Table: sonics_players
Columns: player
nationality
jersey_number_s
position
years
from

Question: what position did the player play who had a number of 15 who played in 1987?
SQL: SELECT "position" FROM sonics_players WHERE "jersey_number_s" = '15' AND "years" = '1987'

Question: What years did the player from illinois play?
SQL: SELECT "years" FROM sonics_players WHERE "from" = 'illinois'