CREATE TABLE table_name_30 (perigee__km_ INT, launch_date VARCHAR)

What is the lowest Perigee with a Launch date of 1970-08-26?
SELECT MIN(perigee__km_) FROM table_name_30 WHERE launch_date = "1970-08-26"
SELECT MIN("perigee__km_") FROM "table_name_30" WHERE "1970-08-26" = "launch_date"