What is the capital of Canada? Answer with the city name only.
In what year did the Airbus A321XLR enter commercial service? Answer with the four-digit year only.
What is the SI unit of electrical capacitance? Answer with the unit name only, in lowercase.
In what year did Arthur Eddington's solar eclipse expedition measure the bending of starlight? Answer with the four-digit year only.
In what year did Max Planck present his quantum hypothesis for black-body radiation? Answer with the four-digit year only.
How many sovereign countries in Africa are UN member states? Answer with the whole number only.
In what year did Valentina Tereshkova fly in space? Answer with the four-digit year only.
In what year did Chang'e 4 make the first soft landing on the far side of the Moon? Answer with the four-digit year only.
What is the capital of Bulgaria? Answer with the city name only.
In what month of 2020 did Donald Trump announce he had tested positive for COVID-19? Answer with the month number (1-12) only.
On which day of the week did the UK's 'Clap for our Carers' take place? Answer with the day name only.
The price of the front-month WTI crude oil futures contract settled below zero in April 2020. Answer true or false.
Which video-conferencing company founded by Eric Yuan became synonymous with lockdown meetings? Answer with the name only.
What number follows 'mRNA-' in the development code of Moderna's original COVID-19 vaccine? Answer with the whole number only.
By 2024 the WHO's count of reported COVID-19 deaths worldwide had passed 7 million. Answer true or false.
The Lambda variant was first documented in which country? Answer with the country name only.
In what year did Shanghai undergo a roughly two-month citywide COVID-19 lockdown? Answer with the four-digit year only.
