その答えを

that answer

→ 其の
phrase Rare #33,727
that answer The particle を marks the answer as the direct object of the verb that follows.
JA: その答えを教えてください。
EN: Please tell me that answer.

ヴィクターはその答えを実際に知っていた。

Victor actually knew the answer.

私はその答えを待っていた。

I was waiting for that answer.

昨日その答えを知ってさえいたらなあ。

If only I'd known the answer yesterday.

今その答えを知ってさえいればなあ。

If only I knew the answer now.

でもその答えを期待していたわ

But that was the answer I was hoping for.

— 甘い生活 (1960)