How to replace special character using sed?

Shell Programming and Scripting
1

How can I replace the follong text including to number 7000?

cat tmp0.txt

Winston (UK) Wong

I would the 7000 to replace Winston (UK) Wong.

I fail with method below:
sed ' s /Winston\(UK\)Wong/7000 tmp0.txt'

2

try

sed "s/Winston (UK) Wong/7000/" tmp0.txt
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