Table: player_data
Columns: name
country
type
moving_from
transfer_window
ends
transfer_fee
source

Question: Where did naylor move from?
SQL: SELECT "moving_from" FROM player_data WHERE "name" = 'naylor'

Question: What type ends in 2011, has a free transfer fee, and is sourced in leeds united?
SQL: SELECT "type" FROM player_data WHERE "ends" = '2011' AND "transfer_fee" = 'free' AND "source" = 'leeds united'

Question: What is the type of sco country?
SQL: SELECT "type" FROM player_data WHERE "country" = 'sco'

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

Question: What is the transfer fee of assoumani, who has a summer transfer window?
SQL: SELECT "transfer_fee" FROM player_data WHERE "transfer_window" = 'summer' AND "name" = 'assoumani'

Question: What is the ends with a free transfer fee and was moved from middlesbrough?
SQL: SELECT "ends" FROM player_data WHERE "transfer_fee" = 'free' AND "moving_from" = 'middlesbrough'