Table: rocket_test_history
Columns: rocket_launch
launch_date
mission
institutional_authority
launch_site
outcomes
derivatives

Question: Which authority has a rocket launch called rehbar-ii?
SQL: SELECT "institutional_authority" FROM rocket_test_history WHERE "rocket_launch" = 'Rehbar-II'

Question: Which authority has a rocket launch called rehnuma-8?
SQL: SELECT "institutional_authority" FROM rocket_test_history WHERE "rocket_launch" = 'Rehnuma-8'

Question: Which authority has a rocket launch called shahpar-2?
SQL: SELECT "institutional_authority" FROM rocket_test_history WHERE "rocket_launch" = 'Shahpar-2'

Question: Which authority has a rocket launch called rehbar-5?
SQL: SELECT COUNT("derivatives") FROM rocket_test_history WHERE "rocket_launch" = 'Rehbar-5'