Detailed Instructions: In this task, you're given an article and an answer. Your task is to generate the fill-in-the-blank question for this answer based on the given article. The blanks are always at the end of the question, and can be filled with more than one word or phrase.
Q: Article: Events Calendar TUESDAY Landscape Pests Learn to identify, control and prevent seasonal landscape-disease and landscape-pest problems at the workshop, 3:30 pm. - 5 pm. Tuesday at the US National Arboretum, 3501 New York Ave NE, Washington. $15; registration required. 202-245-4521 or www.usna.usda.gov. THROUGH AUGUST 3 Horticultural Art Watercolors, pen-and-ink drawings and colored-pencil pieces by the Brookside Gardens School of Botanical Art and Illustration will be on display at the exhibit Botanic 2007: The Art and Science of Plants at Brookside Gardens Visitors Center, 1800 Glenallan Ave, Wheaton, through Aug. 3. Free. 301-962-1400 or www.brooksidegardens.org. THROUGH SEPTEMBER 9 Botanical Art Visit Patterns in Nature, an exhibit by Amy Lamb featuring photographs of flowers, leaves and other botanical life, at the US Botanic Garden Conservatory ,West Orangerie, 100 Maryland Ave SW, Washington, through Sept. 9. The conservatory is open 10 am. - 5 pm. Daily. Free. 202-225-8333. THROUGH OCTOBER 8 Botanic Garden Exhibit Celebrating America's Public Gardens is on view through Oct. 8 at the US Botanic Garden, 100 Maryland Ave SW, Washington. The exhibit, on the Conservatory Terrace and in the National Garden, features displays of 20 public botanic gardens across the country. Hours are 10 am. - 5 pm. Daily. Free. 202-200-8956.
Answer: 202-245-4521
A:
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