Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Letters | Organization | Nickname | Founding Date | Founding University | Type |
| --- | --- | --- | --- | --- | --- |
| ΔΛΦ | Delta Lambda Phi | "DLP", "Deltas'", or "Lambda Men" | 1986-10-15 | Washington, D.C. | Fraternity |
| ΚΨΚ | Kappa Psi Kappa | "Canes", "K-PSIs", "Diamonds", or "Angels" | 2001-08-17 | Tallahassee, Florida | Fraternity |
| ΟΕΠ | Omicron Epsilon Pi | "The Epps" | 2000-12-07 | Tallahassee, Florida | Sorority |
| ΓΡΛ | Gamma Rho Lambda 1 | "GRL" | 2003-08-25 | Tempe, Arizona | Sorority |
| ΑΛΖ | Alpha Lambda Zeta | "The Regal Alphas" | 2006-01-09 | Houston, Texas and Atlanta, Georgia | Fraternity |
| ΚΑΛ | Kappa Alpha Lambda | "The Kappas" | 2003-10-19 | Clark Atlanta University | Sorority |
| ΦΑΝ | Phi Alpha Nu | "PHI-nomenal Gentlewomen" | 2006-07-30 | Charlotte, NC | Fraternity |
Question:
If the founding university is in Washington, D.C., what was the founding date?
Answer:
1986-10-15