Table: grand_prix_results_7
Columns: round
date
grand_prix
circuit
125cc_winner
250cc_winner
motogp_winner
report

Question: Name the report with 125cc winner of simone corsi and circuit of valencia
SQL: SELECT "report" FROM grand_prix_results_7 WHERE "125cc_winner" = 'simone corsi' AND "circuit" = 'valencia'

Question: Name the motogp winner with 125cc winner of gábor talmácsi and round of 13
SQL: SELECT "motogp_winner" FROM grand_prix_results_7 WHERE "125cc_winner" = 'gábor talmácsi' AND "round" = 13

Question: Name the 125cc winner with circuit of estoril
SQL: SELECT "125cc_winner" FROM grand_prix_results_7 WHERE "circuit" = 'estoril'

Question: Name the date for motogp winner of casey stoner and grand prix of valencian grand prix
SQL: SELECT "date" FROM grand_prix_results_7 WHERE "motogp_winner" = 'casey stoner' AND "grand_prix" = 'valencian grand prix'

Question: Name the circuit for round 18
SQL: SELECT "circuit" FROM grand_prix_results_7 WHERE "round" = 18

Question: Name the grand prix for casey stoner and circuit of losail
SQL: SELECT "grand_prix" FROM grand_prix_results_7 WHERE "motogp_winner" = 'casey stoner' AND "circuit" = 'losail'