Table: player_stats_79
Columns: nat
name
since
goals
ends
transfer_fee

Question: What are the ends for the player with a transfer fee of loan?
SQL: SELECT "ends" FROM player_stats_79 WHERE "transfer_fee" = 'loan'

Question: What is the transfer fee for the MLI player with fewer than 63 goals in a year more recent than 2006?
SQL: SELECT "transfer_fee" FROM player_stats_79 WHERE "since" = '2006' AND "goals" < 63 AND "nat" = 'mli'