Input: Solar energy
Concentrating Solar Power (CSP) systems use lenses or mirrors and tracking systems to focus a large area of sunlight into a small beam. The concentrated heat is then used as a heat source for a conventional power plant. A wide range of concentrating technologies exists; the most developed are the parabolic trough, the concentrating linear fresnel reflector, the Stirling dish and the solar power tower. Various techniques are used to track the Sun and focus light. In all of these systems a working fluid is heated by the concentrated sunlight, and is then used for power generation or energy storage.

What is one of the most developed Concentrating Solar Power technologies?
Output: the Stirling dish

Input: Capital punishment in the United States
The method of execution of federal prisoners for offenses under the Violent Crime Control and Law Enforcement Act of 1994 is that of the state in which the conviction took place. If the state has no death penalty, the judge must choose a state with the death penalty for carrying out the execution. For offenses under the Drug Kingpin Act of 1988, the method of execution is lethal injection. The Federal Correctional Complex in Terre Haute, Indiana is currently the home of the only death chamber for federal death penalty recipients in the United States, where inmates are put to death by lethal injection. The complex has so far been the only location used for federal executions post-Gregg. Timothy McVeigh and Juan Garza were put to death in June 2001, and Louis Jones, Jr. was put to death on March 18, 2003.

According to what law are federal prisoners executed according to the procedures in place in the state in which they were convicted?
Output: Violent Crime Control and Law Enforcement Act of 1994

Input: Beyoncé
Beyoncé's music is generally R&B, but she also incorporates pop, soul and funk into her songs. 4 demonstrated Beyoncé's exploration of 90s-style R&B, as well as further use of soul and hip hop than compared to previous releases. While she almost exclusively releases English songs, Beyoncé recorded several Spanish songs for Irreemplazable (re-recordings of songs from B'Day for a Spanish-language audience), and the re-release of B'Day. To record these, Beyoncé was coached phonetically by American record producer Rudy Perez.

What language does she mainly sing?
Output: English

Input: Association football
In game play, players attempt to create goal-scoring opportunities through individual control of the ball, such as by dribbling, passing the ball to a team-mate, and by taking shots at the goal, which is guarded by the opposing goalkeeper. Opposing players may try to regain control of the ball by intercepting a pass or through tackling the opponent in possession of the ball; however, physical contact between opponents is restricted. Football is generally a free-flowing game, with play stopping only when the ball has left the field of play or when play is stopped by the referee for an infringement of the rules. After a stoppage, play recommences with a specified restart.

Who is the only one who has the authority to stop the game when something is wron?
Output:
referee