CREATE TABLE table_9573 ("Year" FLOAT, "Character" CLOB, "Title" CLOB, "Author" CLOB, "Artist" CLOB, "Imprint" CLOB)

what is the earliest year when the author is reki kawahara?
SELECT MIN("Year") FROM table_9573 WHERE "Author" = 'reki kawahara'
SELECT MIN("Year") FROM "table_9573" WHERE "Author" = 'reki kawahara'