Table: grand_prix_1939
Columns: name
circuit
date
winning_driver
winning_constructor
report

Question: Tell me the winning driver for pau grand prix
SQL: SELECT "winning_driver" FROM grand_prix_1939 WHERE "name" = 'pau grand prix'

Question: Tell me the report for 30 july
SQL: SELECT "report" FROM grand_prix_1939 WHERE "date" = '30 july'

Question: Tell me the report for 10 april
SQL: SELECT "report" FROM grand_prix_1939 WHERE "date" = '10 april'

Question: Tell me the winning constructor for the paris cup
SQL: SELECT "winning_constructor" FROM grand_prix_1939 WHERE "name" = 'paris cup'