Table: grand_prix_1914
Columns: name
circuit
date
winning_driver
winning_constructor
report

Question: What kind of Winning driver has a Winning constructor of mercer?
SQL: SELECT "winning_driver" FROM grand_prix_1914 WHERE "winning_constructor" = 'mercer'

Question: Which Winning driver has a Winning constructor of mercedes, and a Name of elgin trophy?
SQL: SELECT "winning_driver" FROM grand_prix_1914 WHERE "winning_constructor" = 'mercedes' AND "name" = 'elgin trophy'

Question: Name the Report of tourist trophy?
SQL: SELECT "report" FROM grand_prix_1914 WHERE "name" = 'tourist trophy'

Question: Name the Winning constructor on 31 may and a Circuit of madonie?
SQL: SELECT "winning_constructor" FROM grand_prix_1914 WHERE "date" = '31 may' AND "circuit" = 'madonie'

Question: Name the Date of mercedes, and a Circuit of elgin?
SQL: SELECT "date" FROM grand_prix_1914 WHERE "winning_constructor" = 'mercedes' AND "circuit" = 'elgin'

Question: Name the Winning driver of mercedes on 22 august?
SQL: SELECT "winning_driver" FROM grand_prix_1914 WHERE "winning_constructor" = 'mercedes' AND "date" = '22 august'