Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.

Q: Context : ``Peter's Daughter'' is the seventh episode of the sixth season of Family Guy and originally aired November 25, 2007. 
Question : To which series does Peter's Daughter belong?

A: series
****
Q: Context : The United Defense M42, sometimes known as the Marlin for the manufacturer, was an American submachine gun in World War II. It was produced from 1942 to 1943 by United Defense Supply Corp. (a government-formed company specifically tasked with weapons development) for possible issue as a replacement for the Thompson submachine gun and was used by agents of the Office of Strategic Services (OSS). 
Question : In what year did United Defense M42 enter service?

A: service entry
****
Q: Context : ``And the Wiener Is...'' is the fifth episode of the third season of the animated comedy series Family Guy, the last episode produced for Season 2. 
Question : What series is the episode And the Wiener Is... part of?

A:
series
****