CREATE TABLE "table1_2150068_1" (
  "satellite" text,
  "launch_date_utc" text,
  "decay" text,
  "mass_kg" text,
  "diameter_m" text,
  "nssdc_id" text,
  "nation" text,
  "usage" text
);

Question: What nation was Pageos 1 from?
SQL: SELECT "nation" FROM "table1_2150068_1" 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 "table1_2150068_1" 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 "table1_2150068_1" WHERE "mass_kg"='180';

Question: What is the nssdc id for Echo 1?
SQL: SELECT "nssdc_id" FROM "table1_2150068_1" 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 "table1_2150068_1" WHERE "nssdc_id"='1960-009A';

Question: What is the decay for the sattelite with an id that is 1990-081c?
SQL: SELECT "decay" FROM "table1_2150068_1" WHERE "nssdc_id"='1990-081C';