Answer the question from the given passage. Your answer should be directly extracted from the passage, and it should be a single entity, name, or number, not a sentence.

[Q]: Passage: In 1993, Galor and Zeira showed that inequality in the presence of credit market imperfections has a long lasting detrimental effect on human capital formation and economic development. A 1996 study by Perotti examined the channels through which inequality may affect economic growth. He showed that, in accordance with the credit market imperfection approach, inequality is associated with lower level of human capital formation (education, experience, and apprenticeship) and higher level of fertility, and thereby lower levels of growth. He found that inequality is associated with higher levels of redistributive taxation, which is associated with lower levels of growth from reductions in private savings and investment. Perotti concluded that, 'more equal societies have lower fertility rates and higher rates of investment in education. Both are reflected in higher rates of growth. Also, very unequal societies tend to be politically and socially unstable, which is reflected in lower rates of investment and therefore growth.' Question: Inequality in the presence of credit market imperfections has what kind of effect on human capital formation?
[A]: detrimental


[Q]: Passage: The energy crisis led to greater interest in renewable energy, nuclear power and domestic fossil fuels. There is criticism that American energy policies since the crisis have been dominated by crisis-mentality thinking, promoting expensive quick fixes and single-shot solutions that ignore market and technology realities. Instead of providing stable rules that support basic research while leaving plenty of scope for entrepreneurship and innovation, congresses and presidents have repeatedly backed policies which promise solutions that are politically expedient, but whose prospects are doubtful. Question: What was the catalyst that created greater interest in renewable resources?
[A]: energy crisis


[Q]: Passage: There were 158,349 households, of which 68,511 (43.3%) had children under the age of 18 living in them, 69,284 (43.8%) were opposite-sex married couples living together, 30,547 (19.3%) had a female householder with no husband present, 11,698 (7.4%) had a male householder with no wife present. There were 12,843 (8.1%) unmarried opposite-sex partnerships, and 1,388 (0.9%) same-sex married couples or partnerships. 35,064 households (22.1%) were made up of individuals and 12,344 (7.8%) had someone living alone who was 65 years of age or older. The average household size was 3.07. There were 111,529 families (70.4% of all households); the average family size was 3.62. Question: How many households has kids under the age of 18 living in them?
[A]:
68,511