You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "what episode of star trek voyager does seven of nine come in?" whose answer is "Scorpion".
Each document should contain about 30 words, and these documents should contain useful information.

Query: when does seven of nine first appear in star trek voyager
Useful Output:

Doc 1: Seven of Nine's 12 essential 'Star Trek' episodes that you should watch · 1. "Scorpion, Parts 1 and 2" (Voyager Seasons 3 & 4) · 2. "The Gift" (
Doc 2: Seven was liberated by the USS Voyager in the year 2374. She joins the crew and helps fight for the implementation of justice in lawless parts
Doc 3: Star Trek Voyager Season 4 Episode 1 Scorpion Part II.
Doc 4: Seven, part-way through the removal of her Borg implants, in the Star Trek: Voyager episode 'The Gift' (S4, Ep2). | CBS, 1997. From that moment
Doc 5: Seven of Nine, a former Borg played by Jeri Ryan, is a character from the Star Trek: Voyager series. Her level of popularity is comparable to other heroes that