CREATE TABLE table_45508 ("Pinnacle height" CLOB, "Year" FLOAT, "Structure type" CLOB, "Main use" CLOB, "Country" CLOB, "Town" CLOB)

What was the earliest year that a structure was located in gray court, south carolina?
SELECT MIN("Year") FROM table_45508 WHERE "Town" = 'gray court, south carolina'
SELECT MIN("Year") FROM "table_45508" WHERE "Town" = 'gray court, south carolina'