Table:
text: United Kingdom general election, 1970
Opinion poll summary
Opinion poll summary
Party Marplan Gallup National_Opinion_Polls_NOP Opinion_Research_Centre_OPC Harris
Conservative 41.5% 42.0% 44.1% 46.5% 46.0%
Labour 50.2% 49.0% 48.2% 45.5% 48.0%
Liberal 7.0% 7.5% 6.4% 6.5% 5.0%
Others 1.3% 1.5% 1.3% 1.5% 1.0%
Labour lead 8.7% 7.0% 4.1% -1.0% 2.0%
Fieldwork dates June 11–14 June 14–16 June 12–16 June 13–17 May 20 - June 16
Sample size 2267 2190 1562 1583 4841

Question: What is party if the Opinion Research Center (OPC) voted 1.5% in the 1970 UK general election?

Question: What is Marplan if Gallup is 1.5% in the 1970 UK general election?

Question: What is the Opinion Research Center (OPC) in the 1970 UK general election if the party is Conservative?

Question: If Harris won 1.3% in the 1970 UK general election, what is Marplan?