Table: player_transfers
Columns: nat
name
moving_from
type
transfer_window
ends

Question: What's the nat that ends in 2009?
SQL: SELECT "nat" FROM player_transfers WHERE "ends" = '2009'

Question: What is the type when they move from Gimnàstic?
SQL: SELECT "type" FROM player_transfers WHERE "moving_from" = 'gimnàstic'

Question: What's the transfer window that ends in 2012?
SQL: SELECT "transfer_window" FROM player_transfers WHERE "ends" = '2012'

Question: What's the type that ends in 2009?
SQL: SELECT "type" FROM player_transfers WHERE "ends" = '2009'

Question: What's the moving of the Esp with a transfer and named De La Red?
SQL: SELECT "moving_from" FROM player_transfers WHERE "type" = 'transfer' AND "nat" = 'esp' AND "name" = 'de la red'

Question: What type is González?
SQL: SELECT "type" FROM player_transfers WHERE "name" = 'gonzález'