Table: satellites
Columns: satellite
launch_date_utc
decay
mass_kg
diameter_m
nssdc_id
nation
usage

Question: What nation was Pageos 1 from?
SQL: SELECT "nation" FROM satellites WHERE "satellite" = 'PAGEOS 1'

Question: What was the launch date for the sattelite with ado that was 4 kg and 3 meters in diameter?
SQL: SELECT "launch_date_utc" FROM satellites WHERE "usage" = 'ado' AND "mass_kg" = '4' AND "diameter_m" = '3'

Question: What was the decay for the sattelite that was 180 kg?
SQL: SELECT "decay" FROM satellites WHERE "mass_kg" = '180'

Question: What is the nssdc id for Echo 1?
SQL: SELECT "nssdc_id" FROM satellites WHERE "satellite" = 'Echo 1'

Question: What is the launch date for the sattelite with a nssdc id of 1960-009a?
SQL: SELECT "launch_date_utc" FROM satellites WHERE "nssdc_id" = '1960-009A'

Question: What is the decay for the sattelite with an id that is 1990-081c?
SQL: SELECT "decay" FROM satellites WHERE "nssdc_id" = '1990-081C'