CREATE TABLE table_204_206 (id NUMBER, "saros" NUMBER, "member" NUMBER, "date" CLOB, "time\ ( greatest ) \ utc" CLOB, "type" CLOB, "location\ lat , long" CLOB, "gamma" NUMBER, "mag." NUMBER, "width\ ( km ) " NUMBER, "duration\ ( min:sec ) " CLOB, "ref" NUMBER)

how long did 18 last ?
SELECT "saros" FROM table_204_206 WHERE "member" = 18
SELECT "saros" FROM "table_204_206" WHERE "member" = 18