In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.

Example input: North Willingham is a village and civil parish in the West Lindsey district of Lincolnshire, England. The population of the civil parish (including Sixhills) was 181 at the 2011 census. It is situated 3.5 mi east from the town of Market Rasen on the A631 road between Market Rasen and Louth. Question: Which had a bigger population at the 2011 census, North Willingham or Market Rasen? Answer: Market Rasen
Example output: Fact_1: North Willingham is a village and civil parish in the West Lindsey district of Lincolnshire, England. Fact_2: The population of the civil parish including Sixhills was 181 at the 2011 census.
Example explanation: Here, we can see that both generated facts are helpful in answering question.
Q: "Elevator" is Flo Rida's overall second single (after "Low", which was from the soundtrack of the 2008 movie ""), and the first single from Flo Rida's debut album "Mail on Sunday". It was produced by Timbaland, who also features on the track. The piano intro features a melody based on the "Halloween" theme by John Carpenter and the second verse imitates the chorus of "The Donque Song" by will.i.am featuring Snoop Dogg. The song features Timbaland's signature percussion and vocals, as well as former Beatclub recording artist Kiley Dean on the background vocals. The song is similar in structure, key, and rhythm to the Timbaland-produced "4 Minutes" by Madonna featuring Justin Timberlake and Timbaland. The song was featured in the plot for the episode "Desperately Seeking Serena" of teen drama "Gossip Girl". Question: What episode of CW's American teen drama where Kristen Bell voiced the blogger featured Flo Rida's second single? Answer: "Desperately Seeking Serena"
A:
Elevator is Flo Ridas overall second single after Low, which was from the soundtrack of the 2008 movie , and the first single from Flo Ridas debut album Mail on Sunday.