user: Question: Tell me the lowest height for class of Hewitt and prom less than 148
Columns: ['Peak', 'Height (m)', 'Prom. (m)', 'Class', 'Parent']
Types: ['text', 'real', 'real', 'text', 'text']
Sample row: ['The Cheviot', 815.0, 556.0, 'Marilyn', 'Broad Law']
SQL:

assistant: SELECT MIN("Height (m)") FROM "Table" WHERE "Class" = 'Hewitt' AND "Prom. (m)" < 148.0;