Table: gps_satellites_2
Columns: date
rocket
type
launch_site
satellite

Question: What is the launch site of the delta iv rocket?
SQL: SELECT "launch_site" FROM gps_satellites_2 WHERE "rocket" = 'delta iv'

Question: What is the type of the gps iif-10 satellite with an unknown date?
SQL: SELECT "type" FROM gps_satellites_2 WHERE "date" = 'unknown' AND "satellite" = 'gps iif-10'

Question: What is the type of the gps iif-10 satellite?
SQL: SELECT "type" FROM gps_satellites_2 WHERE "satellite" = 'gps iif-10'

Question: What is the launch site of the delta iv rocket with an unknown date and a gps iif-10 satellite?
SQL: SELECT "launch_site" FROM gps_satellites_2 WHERE "date" = 'unknown' AND "rocket" = 'delta iv' AND "satellite" = 'gps iif-10'

Question: What is the date of the gps iif-7 satellite?
SQL: SELECT "date" FROM gps_satellites_2 WHERE "satellite" = 'gps iif-7'