Table: us_popular_names
Columns: region_year
no_1
no_2
no_3
no_4
no_5
no_6
no_7
no_8
no_9
no_10

Question: Who was number 4 when Natalie was number 9?
SQL: SELECT "no_4" FROM us_popular_names WHERE "no_9" = 'natalie'

Question: Who was number 7 when Olivia was number 5 and Emma was number 2?
SQL: SELECT "no_7" FROM us_popular_names WHERE "no_5" = 'olivia' AND "no_2" = 'emma'

Question: When Chloe was number 8, Olivia was number 2, Emma was number 1, and Ava was number 4, who was number 5?
SQL: SELECT "no_5" FROM us_popular_names WHERE "no_8" = 'chloe' AND "no_2" = 'olivia' AND "no_1" = 'emma' AND "no_4" = 'ava'