In this task, you are given a set of context paragraphs, some supporting facts and an answer of a question. Your task is to generate question for given answer based on set of context paragraphs, supporting facts and an answer.

Context_1 : Fleetwood Mac Live is a world tour by the rock group Fleetwood Mac that began on April 4, 2013 in Columbus, Ohio. 66 shows are scheduled across 14 countries in North America and Europe. The April 18, 2013 stop in Boston, Massachusetts was one of the first major performances given in the city following the Boston Marathon bombings three days earlier. This tour has also marked the first appearance of Christine McVie with the band since 1998. She appeared at the last two London O2 Arena shows. On October 27, the band announced that John McVie had been diagnosed with cancer, and that they were cancelling their New Zealand and Australian performances in order for him to undergo treatment. On November 22, 2013 Christine McVie stated she would love to rejoin Fleetwood Mac and that John McVie's Progress was really good. On November 26, 2013 @officialfleetwood mac (Via Instagram) and FleetwoodMac.com announced that Fleetwood Mac is playing 3 last shows for their "Extended Play" tour. Fleetwood Mac said they would do one public show and two private shows. The last public show was played on December 30, and the two privates shows were performed from December 31-January 1 and January 8. At midnight on January 1 Fleetwood Mac performed "Auid Lang Syne" to their private audience. Context_2 : Christine Anne Perfect (born 12 July 1943), known professionally as Christine McVie after her marriage to John McVie, is a British singer, keyboardist, and songwriter. She is best known as the keyboardist and co-lead vocalist of the band Fleetwood Mac, which she joined in 1970 while married to bassist McVie. She has also released three solo albums. McVie is known for her smoky, alto vocals and her direct but poignant lyrics, which are mostly concerned with relationships. AllMusic describes her as an "Unabashedly easy-on-the-ears singer/songwriter, and the prime mover behind some of Fleetwood Mac's biggest hits." Eight of her songs appeared on Fleetwood Mac's 1988 "Greatest Hits" album. Context_3 : "Friend" is a 2004 song from Fleetwood Mac's keyboardist/vocalist Christine McVie. The song was written by McVie, Robbie Patton, George Hawkins, and McVie's nephew Dan Perfect. The song reached #29 on Billboard's Adult Contemporary Chart in 2004. Context_4 : "Got a Hold on Me" is a 1984 song from Fleetwood Mac's keyboardist/vocalist Christine McVie. The song rose to number 10 on the "Billboard" Hot 100 chart, and it topped the "Billboard" Adult Contemporary and Rock Tracks charts for four and two weeks, respectively. This was McVie's only top 10 solo hit in the United States. Synthesizers on the track were played by Steve Winwood, while the guitars were played by Todd Sharp (the song's co-writer) and McVie's Fleetwood Mac bandmate Lindsey Buckingham. The other musicians were bassist George Hawkins and drummer-percussionist Steve Ferrone. "Got a Hold on Me" was released as the lead single from McVie's self-titled 1984 solo album. Context_5 : Todd Sharp (born in Cleveland, Ohio) is an American guitarist, singer, songwriter, and founder of Todd Sharp Amplifiers. He began touring with Hall & Oates in 1975 as their lead guitarist at the age of 19. He has also toured with Fleetwood Mac's Christine McVie and Mick Fleetwood, Bob Welch, Carlene Carter, David Crosby, Rod Stewart, Delbert McClinton, Bonnie Raitt, and Eric Clapton. As a solo artist, Sharp released two records "Who Am I" on MCA in 1986 and "Walking All The Way" on Wanna Play Records in 2002. His songwriting credits include the Top Ten Hit "Got A Hold On Me” with Christine McVie and Juice Newton’s “A Little Love.” In addition to his performance career, Sharp has been a master of electronics and amplifiers since 1963, opening Nashville Amplifier Service in 1994 performing expert repairs, restorations, and modifications to electric guitar amps. In 2016, Sharp launched Todd Sharp Amplifiers, with the flagship model the JOAT 20RT receiving the Editors' Pick Award from Guitar Player Magazine. Context_6 : Lindsey Buckingham/Christine McVie (also referred to as simply Buckingham/McVie) is a studio album by Fleetwood Mac vocalists Lindsey Buckingham and Christine McVie, released on June 9, 2017. Four of the five members of Fleetwood Mac are featured in the album, with contributions from drummer Mick Fleetwood and bassist John McVie. Vocalist Stevie Nicks is the sole member absent in the album. The album sold over 22,000 units in the US in its first week and debuted within the top 20. It proved to be even more successful in the UK, where it debuted within the top 5. Context_7 : Michael Kiske (born January 24, 1968) is a German singer best known as the lead vocalist for the German power metal band Helloween. After his departure from the band, Kiske recorded four solo albums, participated on various metal and rock related projects, such as Avantasia, Place Vendome and Kiske/Somerville, while he also performed with numerous bands as a guest vocalist. In late 2009, he formed the hard rock / heavy metal band Unisonic and began touring again after 17 years of absence. On November 14, 2016 it was officially announced that Kiske will tour again with Helloween and Kai Hansen in 2017 and 2018. Context_8 : Say You Will is the seventeenth studio album by British-American rock band Fleetwood Mac, released on 15 April 2003. It was the first Fleetwood Mac album since "Kiln House" in 1970 that did not include tracks written by vocalist/keyboardist Christine McVie, who had left the band in 1998. It was however the band's first studio album since "Time" was released in 1995. Members Lindsey Buckingham, Stevie Nicks and John McVie shared keyboard duties for the album, though Christine McVie is featured on two songs which had been originally recorded for an unreleased Lindsey Buckingham solo album (tracks 13 and 14). It also marks the first album in 16 years to feature Buckingham as a full time member. Context_9 : "Love in Store" is a song by British-American rock group Fleetwood Mac. The song is the opening track on the 1982 album "Mirage", the fourth album by the band with Lindsey Buckingham acting as main producer with Richard Dashut and Ken Caillat. "Love in Store" was written by Christine McVie and Jim Recor and it became the album's third single in the US. Released in November 1982, it went on to peak at No. 22 for three weeks as the follow-up to Top 20 hits "Hold Me" (No. 4) and "Gypsy" (No. 12). The song features lead vocals by Christine McVie with prominent vocal harmonies by Stevie Nicks and background vocals by Lindsey Buckingham. Context_10 : Christine McVie is the second solo album by the British Fleetwood Mac vocalist / keyboardist Christine McVie, released in 1984. fact_1 :  She is best known as the keyboardist and co-lead vocalist of the band Fleetwood Mac, which she joined in 1970 while married to bassist McVie. fact_2 : Michael Kiske (born January 24, 1968) is a German singer best known as the lead vocalist for the German power metal band Helloween. fact_3 :  After his departure from the band, Kiske recorded four solo albums, participated on various metal and rock related projects, such as Avantasia, Place Vendome and Kiske/Somerville, while he also performed with numerous bands as a guest vocalist. Answer: Michael Kiske
Who has played in more musical projects, Christine McVie or Michael Kiske?

Context_1 : The Act Prohibiting Importation of Slaves of 1807 (2 Stat. 426 , enacted March 2, 1807) is a United States federal law that stated that no new slaves were permitted to be imported into the United States. It took effect in 1808, the earliest date permitted by the United States Constitution. Context_2 : Mississippi College School of Law is an American Bar Association accredited law school and is the only law school in Jackson, Mississippi. The school is a professional school of Mississippi College, founded in 1826. It is also colloquially referred to as MC Law, or MC Law School. It is not ranked in the annual 2016 "US News and World Report" law school ranking, which put it in the bottom 25% of US law schools. Context_3 : The North Carolina Law Review (Bluebook abbreviation: "N.C. L. Rev.") is the law journal of the University of North Carolina School of Law. It was established in 1922 and is published in six issues each year, with issue 5 devoted to its annual symposium and issue 6 designated as a special review of North Carolina and Fourth Circuit law. As of 2013, the "North Carolina Law Review" was ranked #27 among US law journals. The North Carolina Law Review also publishes an online supplement the "North Carolina Law Review Addendum" (Bluebook abbreviation: "N.C. L. Rev. Add."). Context_4 : In United States law, the federal government as well as state and tribal governments generally enjoy sovereign immunity from lawsuits, although in some cases this immunity has been waived by law. Local governments in most jurisdictions enjoy immunity from some forms of suit, particularly in tort. The Foreign Sovereign Immunities Act provides foreign governments, including state-owned companies, with a related form of immunity—state immunity—that shields them from lawsuits except in relation to certain actions relating to commercial activity in the United States. The principle of sovereign immunity in US law was inherited from the English common law legal maxim "rex non potest peccare", meaning "the king can do no wrong." Context_5 : Sujit Choudhry is the I. Michael Heyman Professor of Law at UC Berkeley School of Law. He is an expert in comparative constitutional law. Choudhry was the Dean of the UC Berkeley School of Law from 2014 until 2016 and the first person of Indian origin to be named dean of a top US law school. He has also been the Cecelia Goetz Professor of Law at New York University School of Law, the Scholl Chair at the Faculty of Law, University of Toronto and a recipient of the Trudeau Fellowship. Context_6 : The Blockade of Africa began in 1808 after Britain outlawed the Atlantic slave trade, making it illegal for British ships to transport slaves. The Royal Navy immediately established a presence off Africa to enforce the ban, called the West Africa Squadron. Although the ban initially applied only to British ships, Britain negotiated treaties with other countries to give the Royal Navy the right to intercept and search their ships for slaves. A notable exception was the United States, which refused such permission. The 1807 Act Prohibiting Importation of Slaves technically abolished the intercontinental slave trade in the United States but the ban was not widely enforced and many of the slave ships which escaped the blockade were destined for the southern United States. Context_7 : United States corporate law regulates the governance, finance and power of corporations in US law. Every state and territory has its own basic corporate code, while federal law creates minimum standards for trade in company shares and governance rights, found mostly in the Securities Act of 1933 and the Securities and Exchange Act of 1934, as amended by laws like the Sarbanes-Oxley Act of 2002 and the Dodd-Frank Act of 2010. The US Constitution was interpreted by the US Supreme Court to allow corporations to incorporate in the state of their choice, regardless of where their headquarters are. Over the 20th century, most major corporations incorporated under the Delaware General Corporation Law, which offered lower corporate taxes, fewer shareholder rights against directors, and developed a specialized court and legal profession. Nevada has done the same. Twenty-four states follow the Model Business Corporation Act, while New York and California are important due to their size. Context_8 : United States contract law regulates the obligations established by agreement (express or implied) between private parties in US law. The law varies from state to state; there is no nationwide Federal contract law, although transactions involving the sale of goods have become highly standardized nationwide through widespread adoption of the Uniform Commercial Code. There remains significant diversity in the interpretation of other kinds of contracts, depending upon the extent to which a given state has codified its common law of contracts or adopted portions of the Restatement (Second) of Contracts. Context_9 : The Center for Computer-Assisted Legal Instruction, also known as CALI, is a 501(c)(3) non-profit consortium of mostly US law schools that conducts applied research and development in the area of computer-mediated legal education. The organization is best known in law schools for CALI Lessons, online interactive tutorials in legal subjects, and CALI Excellence for the Future Awards (CALI Awards), given to the highest scorer in a law-school course at many CALI member law schools. Nearly every US law school is a member of CALI. Context_10 : Golden Gate University School of Law (informally referred to as GGU School of Law, GGU Law and Golden Gate Law) is one of the professional graduate schools of Golden Gate University. Located in downtown San Francisco, California, GGU is a California non-profit corporation and is fully accredited by the American Bar Association (ABA). In 2011, the "National Jurist" ranked the law school's public interest program among the top 20 in the United States. In 2013, the same publication ranked Golden Gate University School of Law among the 20 US law schools with the highest average law school debt among its 2011 graduates. Golden Gate Law was named by National Jurist magazine among the top 20 U.S. law schools for practical, hands-on training in 2014. fact_1 : The Blockade of Africa began in 1808 after Britain outlawed the Atlantic slave trade, making it illegal for British ships to transport slaves. fact_2 :  The 1807 Act Prohibiting Importation of Slaves technically abolished the intercontinental slave trade in the United States but the ban was not widely enforced and many of the slave ships which escaped the blockade were destined for the southern United States. fact_3 : The Act Prohibiting Importation of Slaves of 1807 (2 Stat. fact_4 :  It took effect in 1808, the earliest date permitted by the United States Constitution. Answer: Act Prohibiting Importation of Slaves
The Blockade of Africa began in 1808, the same year as which US law about slaves? 

Context_1 : Delsym is a brand of cough medicine owned by Reckitt Benckiser, and manufactured at Unither Manufacturing in Rochester, NY. It is different from most brands of cough medicine in that the active ingredient is "time released". The time release feature allows the drug to suppress the cough reflex for a longer period of time. The active ingredient per teaspoon (5 mL) is dextromethorphan polistirex, equivalent to dextromethorphan HBr 30 mg. Context_2 : An active ingredient (AI) is the ingredient in a pharmaceutical drug that is biologically active. The similar terms active pharmaceutical ingredient (API) and bulk active are also used in medicine, and the term active substance may be used for natural products. Some medication products may contain more than one active ingredient. The traditional word for the API is pharmacon or pharmakon (from Greek: φάρμακον , adapted from pharmacos) which originally denoted a magical substance or drug. Context_3 : An international nonproprietary name (INN) is an official generic and nonproprietary name given to a pharmaceutical drug or active ingredient. International nonproprietary names make communication more precise by providing a unique standard name for each active ingredient, to avoid prescribing errors. The INN system has been coordinated by the World Health Organization (WHO) since 1953. Context_4 : Nitroglycerin (NG), also known as nitroglycerine, trinitroglycerin (TNG), trinitroglycerine, nitro, glyceryl trinitrate (GTN), or 1,2,3-trinitroxypropane, is a heavy, colorless, oily, explosive liquid most commonly produced by nitrating glycerol with white fuming nitric acid under conditions appropriate to the formation of the nitric acid ester. Chemically, the substance is an organic nitrate compound rather than a nitro compound, yet the traditional name is often retained. Invented in 1847, nitroglycerin has been used as an active ingredient in the manufacture of explosives, mostly dynamite, and as such it is employed in the construction, demolition, and mining industries. Since the 1880s, it has been used by the military as an active ingredient, and a gelatinizer for nitrocellulose, in some solid propellants, such as cordite and ballistite. Context_5 : Freederm is a UK brand of acne and skin care medication manufactured by Diomed Developments Limited. The products include Nicotinamide as an active ingredient, which is claimed by the company to be "clinically proven to help get rid of inflamed red spots". Context_6 : Ambroxol is a secretolytic agent used in the treatment of respiratory diseases associated with viscid or excessive mucus. Recently, a hypothesis suggested that it may have a potential role in treatment of Paget's disease of bone, Parkinsonism and other common autophagy-mediated aging diseases It is the active ingredient of Mucosolvan, Mucobrox, Mucol, Lasolvan, Mucoangin, Surbronc, Ambolar, and Lysopain. The substance is a mucoactive drug with several properties including secretolytic and secretomotoric actions that restore the physiological clearance mechanisms of the respiratory tract, which play an important role in the body’s natural defence mechanisms. It stimulates synthesis and release of surfactant by type II pneumocytes. Surfactant acts as an anti-glue factor by reducing the adhesion of mucus to the bronchial wall, in improving its transport and in providing protection against infection and irritating agents. Ambroxol is often administered as an active ingredient in cough syrup. Context_7 : An excipient is a substance formulated alongside the active ingredient of a medication, included for the purpose of long-term stabilization, bulking up solid formulations that contain potent active ingredients in small amounts (thus often referred to as "bulking agents", "fillers", or "diluents"), or to confer a therapeutic enhancement on the active ingredient in the final dosage form, such as facilitating drug absorption, reducing viscosity, or enhancing solubility. Excipients can also be useful in the manufacturing process, to aid in the handling of the active substance concerned such as by facilitating powder flowability or non-stick properties, in addition to aiding "in vitro" stability such as prevention of denaturation or aggregation over the expected shelf life. The selection of appropriate excipients also depends upon the route of administration and the dosage form, as well as the active ingredient and other factors. Context_8 : Nicotinamide (NAA), also known as niacinamide, is a vitamin found in food, used as a dietary supplement, and used as a medication. As a supplement, it is used by mouth to prevent and treat pellagra (niacin deficiency). While nicotinic acid (niacin) may be used for this purpose, nicotinamide has the benefit of not causing skin flushing. As a cream, it is used to treat acne. Context_9 : Stridex (originally spelled Stri-Dex) is an American acne treatment and prevention medicine, originally registered trademark of Bayer Corporation. It comes in the form of fibrous pads saturated with astringents and contained in a plastic tub of fifty-five to ninety pads. Most products in the Stridex line contain as the active ingredient salicylic acid (0.5–2.5%); Stridex "Power Pads", however, contain instead benzoyl peroxide (2.5%), which is considered by medical professionals to be "the most effective and widely used nonprescription medication for both types of acne". However, they also warn about possible side effects: dryness of the skin, possible burning, and tingling. Patients are advised to apply treatment with caution around lips, nose and mouth, or cuts and scrapes, and also avoid excessive sun exposure. In 2013, FDA started to investigate a possible link between benzoyl peroxide- and/or salicylic acid-based acne prevention medicine with hypersensitivity and anaphylactic reactions without calling off any products or placing warnings. Context_10 : Driclor is a strong anti-perspirant manufactured by Stiefel Laboratories (UK) and produced in Sligo, Ireland. Driclor is similar to other strong anti-perspirants using 20% aluminium chloride hexahydrate as the active ingredient, however, the water content and roll-on dispenser may cause skin irritancy as water / perspiration can break down the active ingredient to produce hydrochloric acid. fact_1 :  The products include Nicotinamide as an active ingredient, which is claimed by the company to be "clinically proven to help get rid of inflamed red spots". fact_2 :  As a cream, it is used to treat acne. Answer: Nicotinamide

What is the active ingredient in the product Freederm that treats acne?