CREATE TABLE table_5964 ("Callsign" CLOB, "Area served" CLOB, "Frequency" CLOB, "Band" CLOB, "On-air ID" CLOB, "Purpose" CLOB)

Callsign of 6nan has what purpose?
SELECT "Purpose" FROM table_5964 WHERE "Callsign" = '6nan'
SELECT "Purpose" FROM "table_5964" WHERE "Callsign" = '6nan'