What is the lowest supply cost for the part "hot spring dodger dim light"?
the lowest supply cost refers to min(ps_supplycost); part "hot spring dodger dim light" refers to p_name = 'hot spring dodger dim light'
SELECT MIN(T1.ps_supplycost) FROM partsupp AS T1 INNER JOIN part AS T2 ON T1.ps_partkey = T2.p_partkey WHERE T2.p_name = 'hot spring dodger dim light'