CREATE TABLE table_52934 ("Peak" CLOB, "Height  ( m ) " FLOAT, "Prom.  ( m ) " FLOAT, "Class" CLOB, "Parent" CLOB)

Tell me the lowest height for class of hewitt and prom less than 148
SELECT MIN("Height (m)") FROM table_52934 WHERE "Class" = 'hewitt' AND "Prom. (m)" < '148'
SELECT MIN("Height (m)") FROM "table_52934" WHERE "Class" = 'hewitt' AND "Prom. (m)" < '148'