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

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'