CREATE TABLE table_42483 ("Milepost" FLOAT, "Name of the tunnel" CLOB, "Length" CLOB, "Maximum Height" CLOB, "Minimum Height" CLOB)

What is the minimum Height of the Little Switzerland Tunnel?
SELECT "Minimum Height" FROM table_42483 WHERE "Name of the tunnel" = 'little switzerland tunnel'
SELECT "Minimum Height" FROM "table_42483" WHERE "Name of the tunnel" = 'little switzerland tunnel'