user: Question: In what constituency was the result Labour HOLD and Liberal democrat Elizabeth Newton won?
Columns: ['Constituency', 'Conservative', 'Labour', 'Liberal Democrats', 'Plaid Cymru', 'Result']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Aberavon', 'TJ Morgan', 'David Rees', 'Helen Ceri Clarke', 'Paul Nicholls Jones', 'Labour HOLD']
SQL:

assistant: SELECT "Constituency" FROM "Table" WHERE "Result" = 'Labour HOLD' AND "Liberal Democrats" = 'Elizabeth Newton';